UNT Libraries Government Documents Department - 871 Matching Results

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Automobile-Signal.

Description: Patent for a door-mounted automobile turn signal that swings out on an arm to appear at a right angle to the vehicle and is operated by the driver's knee or elbow. The signal is illuminated by an electric lamp and sounds the car horn when deployed.
Date: August 31, 1920
Creator: Carnes, Sam D.

Balancing Pump Jack

Description: Patent for increasing the power of pump jacks and providing simple devices for aiding the driving mechanism. A shifting weight helps balance the sucker rod.
Date: February 4, 1919
Creator: Dayton, W.L.

Bale-Tie Buckle

Description: Patent for a low-cost bale tie buckle that prevents the expansion of bale when the pressure of the compress is released.
Date: unknown
Creator: Todd, James T. A.

Advertising Device

Description: Patent for an advertising device meant to sit on a desk as a ruler. This device is designed to make the images on its surface appear to be suspended in air when it is lifted. It can be manufactured cheaply and is intended to be distributed for free as both a ruler and advertisement.
Date: April 9, 1918
Creator: Glisson, Amos Adolphus

Battery-Plate and Terminal Connection

Description: Patent for improvements on a battery plate and terminal connections. Plate lugs and the terminal for the battery are a solid piece to fit more battery sizes and prevent the lugs from breaking off.
Date: May 4, 1920
Creator: Hawkins, Alda F.

Apparatus for Curing Tire Casings.

Description: Patent for a more efficient system for curing tire casings. The new patented apparatus was capable of providing both smooth and ribbed tire textures by way of aluminum tips and molds. Additionally, the apparatus provided retreading and faster curing of pneumatic tires.
Date: December 2, 1919
Creator: Bongio, Philip P. & Stephenson, Elonzo

Advertising Attachment for Scales.

Description: Patent for improvements in advertising attachments for scales to "provide an attachment of the character specified, wherein a series of display members are provided, mounted to be moved into different positions, to bring different matter into different positions, and controlled to movement by the stepping onto the weighing platform of the one to be weighed." (lines 11-18)
Date: July 13, 1920
Creator: Funk, Arthur Neal

Comfort and the Like.

Description: Patent for a loosely woven material that covers household furnishings so it can be easily cleaned and then reattached.
Date: July 27, 1920
Creator: McNatt, Lucie R.

Fertilizer and Method of Producing the Same.

Description: Patent for a new and improved condensed fertilizer formula that can be easily transported and is stable enough to be stored without appreciable deterioration, resulting in cost savings.
Date: November 22, 1921
Creator: Poynor, Camp, L.

Fire-Extinguisher for Aeroplanes and the Like.

Description: Patent for a fire extinguisher apparatus to be used in air crafts, boats, and other vehicles designed to be lightweight and to quickly extinguish fires.
Date: July 5, 1921
Creator: Clark, Walter C.

Paper Clip.

Description: Patent for new and useful improvements in a paper clip. This invention relates to a paper clip a has for its principal object the production of a simple and efficient device for holding numbers sheets of paper together.
Date: October 21, 1920
Creator: Holt, Frank P.

Culinary Utensil

Description: Patent for a culinary utensil designed as a unique fork which can retrieve articles from a boiling pot without having to expose the hands to the steam.
Date: August 2, 1921
Creator: Brown, Elmer D.

Holder for Car and Locomotive Replacing Frogs

Description: Patent for improving railway car frog replacement and holding. The improvements include greater strength and durability and low cost manufacture.
Date: November 1, 1921
Creator: Keith, Darwin E.

Strap Binder or Lock and Record-Check.

Description: Patent for an improved strap-binder or lock and record-check that is "simple, effective, and comparatively inexpensive" to manufacture (lines 8-11).
Date: July 7, 1921
Creator: Glisson, Amos A.

Flytrap.

Description: Patent for a "new and improved fly trap arranged to insure [sic] a proper transfer of the flies or other insects" in such a way that the trap bait is preserved for repeated use (lines 14-16).
Date: May 31, 1921
Creator: Wallace, William Simpson

Box Bull and Calf Wheel Gudgeon.

Description: Patent for protection and strengthening of box bull and calf wheel gudgeons. The purpose is to prevent various troubles with well drilling (oil, etc.).
Date: July 19, 1921
Creator: Taylor, James Thomas

Detachable Inside Door-Lock.

Description: Patent for a detachable inside door-lock. This is a simple locking device that can be applied and removed from any type of door. The purpose is to make a room private and burglar proof.
Date: September 6, 1921
Creator: Arledge, Elbert H.

Clothes Hanger.

Description: Patent for clothes hanger that is made of a singular piece of wire. The hanger also features the capability to hold an entire three piece suit: coat, vest, and trousers.
Date: January 3, 1922
Creator: Stapp, Jesse W.

Refrigerating Apparatus.

Description: Patent for a refrigerating apparatus that is inexpensive and accessible to market owners, including illustrations.
Date: June 21, 1921
Creator: Moore, Harrison E.

Machine for Cutting Tire-Casing Treads and Removing Beads

Description: Patent for machines for extracting beads and for cutting treads of tire casings. It is to provide a convenient device for operating on tire casings which are to be stripped and separated into the original elements and to save much labor and avoid much expense.
Date: October 4, 1921
Creator: Hibbs, Cassell D.

Automatically-Operated Gate and Door

Description: Patent for improvements on automatically opened doors and gates for vehicular passing. The improvements will allow the automatic opening of gates and doors without human attention or interference.
Date: April 9, 1921
Creator: Brown, George W.

Garment-Hanger.

Description: Patent for a garment hanger "for the support of outer garments...and which will also embody a rack for shoes, the hanger being so constructed that it will occupy a minimum amount of space..." also "to support a considerable weight without any likelihood of sagging or breakage...that the greater the weight imposed thereon, the more firm will be the connection between these parts" (lines 11-15, 21-28). It also includes an illustration.
Date: August 9, 1921
Creator: Fulford, Marcus F.
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