UNT Libraries Government Documents Department - 15 Matching Results

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Breech-Loading Fire-Arm

Description: Patent for a new and improved breech-loading firearm. This design "consists in the devices for opening the breech-block and ejecting the cartridge-shell by one and the same motion that cocks the gun, and also in a spring and pitman arranged with the breech-block" (para. 2).
Date: December 4, 1877
Creator: Petmecky, Joseph C.
Item Type: Refine your search to only Patent

Improvement in Gang Plow and Cultivator.

Description: Patent for "a new and improved gang plow and cultivator" (lines 3-4), including instructions and illustrations. "This invention relates to a new agricultural machine which may be readily changed from a gang-plow into a cultivator, and vice-versa" (lines 15-17).
Date: December 18, 1877
Creator: Domschke, Charles
Item Type: Refine your search to only Patent

Improvement in Rifle-Barrels.

Description: Patent for a "new and useful improvement in firearms" (lines 4-5), including instructions and illustrations. The invention provides "a gun-barrel with a number of cutters or plows for grooving the ball, said cutters or plows to correspond with with the number of guides or ribs which the gun is formed" (lines 20-25).
Date: December 11, 1877
Creator: Littlejohn, William
Item Type: Refine your search to only Patent

Improvement in Wagon-Brakes.

Description: Patent for "wagons which have brakes applied to them, so constructed that in descending a grade the brakes will be automatically applied, and, in moving on a level or ascending a hill, the brakes will be relieved from the wheels." (Lines 6-11) Includes instructions and illustrations.
Date: December 4, 1877
Creator: Hart, Alfred
Item Type: Refine your search to only Patent

Plow.

Description: Patent for a new and improved plow. This design "consists in the point made with a land-side, fitting into a rabbet in the land-side of the standard, and made thicker and deeper than said rabbet, so as to project beyond and below said land-side to receive the wear" (para. 5).
Date: December 11, 1877
Creator: Dawson, William Wyatt
Item Type: Refine your search to only Patent
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