UNT Libraries Government Documents Department - 6 Matching Results

Search Results

Results: 1 - 6

Child's Crib.

Description: Patent for a new and improved child's crib. This design utilizes "a rock-shaft with inward-projecting arms, from the inner ends of which the cords are suspended, [and it] avoid[s] the friction and wear of the cords incident to the carrying of these through the screw-eyes, as shown in [a previous patent], making them last much longer, beside simplifying the construction of the crib" (lines 67-74).
Date: March 15, 1881
Creator: Brown, Fred Harvey
Item Type: Refine your search to only Patent

Electric Arc Lamp.

Description: Patent for a new and improved electric-arc lamp. This design consists in "the combination of a single horseshoe electro-magnet in the circuit of a main line, connected on the positive side to a binding-post having shunt material as a bushing around it, an armature hinged at its center and free to vibrate throughout its length with a carbon-rod holder, which it is adapted to clutch at the hinged part, said magnet acting upon the ends of the armature only, and an adjustable trip and limiting-stop… more
Date: March 8, 1887
Creator: McDill, Henry C. & Gaston, James E.
Item Type: Refine your search to only Patent

Metallic Shingle.

Description: Patent for a new and improved metallic shingle. This design calls for "[t]he ends of the shingles adjacent to the groove [to be] turned up to provide a guard which, when the joints are made between the shingles, prevents the water from obtaining access to the roof-boards, and directs it down the shingle to the bead, where the water is drained off" (lines 80-86).
Date: March 22, 1887
Creator: Harry, Hugh W.
Item Type: Refine your search to only Patent

Metallic Shingle.

Description: Patent for a new and improved metallic shingle. This design consists in "a roof made up of a series of metallic shingles bent and doubled at the ends . . . and the joint at the sides of the shingle, the doubled ends being bent at the sides to correspond with the joint at the sides of the shingle, whereby a double thickness is provided at the sides of the end joints and notching is obviated" (lines 11-18).
Date: March 27, 1888
Creator: Harry, Hugh Walker
Item Type: Refine your search to only Patent

Piano-Forte Tuning-Pin Lock.

Description: Patent for a new and improved lock for forte-piano tuning-pins. This design consists "of an elongated or oblong metal plate provided with a slot in a part of its length and having one of its faces roughened into serrations . . . which, together with . . . correspondingly-toothed hooks bolted to said plate, form a clamp to bind two or more tuning-pins of a piano together, to prevent them from turning as a set or independently" (lines 16-25).
Date: March 2, 1880
Creator: Norcross, Levi W.
Item Type: Refine your search to only Patent
Back to Top of Screen