UNT Libraries Government Documents Department - 63 Matching Results

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Fire-Escape

Description: Patent for a fire-escape for "people irrespective of age, sex, or condition may be safely carried from any landing or floor of a building to the sidewalk or street" (lines 25-28); including illustration and instructions
Date: May 22, 1900
Creator: Thompson, B. W.

Grapple.

Description: Patent for a grapple, a device "for handling brick - that is, for moving brick from one point to another" (lines 13-14).
Date: November 6, 1900
Creator: Brownfield, James G.

Center Foot for Cultivators

Description: Patent for "an improved center foot or standard which is adapted to be readily attached to and detached from a beam or beams of a cultivator adjusted thereon and adapted for the attachment of a shovel, plow, or sweep of any kind required" (lines 8-15).
Date: May 21, 1901
Creator: Greathouse, James E.

Claw-Bar for Drawing Railroad-Spikes.

Description: Patent for "an invention is an improved claw-bar for drawing railroad-spikes, the object of my invention being to provide the bar with a pivoted fulcrum-piece which is adapted to facilitate the engagement of the toe or claw of the bar with the head of a spike, to increase the leverage of the bar in withdrawing the spike, and to provide means to relieve the pivots or trunnions of the fulcrum-piece of stress when the bar is being operated todraw a spike." (Lines 8-17) Illustration is included.
Date: November 5, 1901
Creator: Smitham, Nicholas L.

Dallas Sheet

Description: Topographic map of a portion of Texas from the United States Geological Survey (USGS) project. The map includes towns, historic or notable sites, bodies of water, and other geologic features. Scale 1:125000
Date: 1902
Creator: Geological Survey (U.S.)
Location: 32.75 -96.75

Signal-Lantern.

Description: Patent for a gas-burner signal lantern, instead of an oil-burner signal lantern, that indicates whether or not the track is all clear of trains; includes instructions and illustrations.
Date: May 6, 1902
Creator: Ruebel, C. A. Ernst

Lock

Description: Patent for a general lock but made especially for trunk locks. It adds a spring lock and preventative measures against lock picking.
Date: October 14, 1902
Creator: Kirk, Robert L.

Shoe-Paste Applier.

Description: Patent for shoe-paste applier by using “cotton or cloth, wound into a roll to make the paste-applying element.” (Lines 65-66) “A holding member having terminal arms held associated by being twisted together and a curved intermediated coiled portion to house the paste-applying element, and a handle for receiving the twisted portions of the arms.” (Lines 15-19) Illustration is included.
Date: February 10, 1903
Creator: Smith, William Roland

Vehicle Wheel

Description: Patent for a vehicle wheel. This invention is designed to keep dust and grit out of the axle point and nib. It has a wooden core sheathed in metal. Illustration included.
Date: April 19, 1904
Creator: Polk, James A.
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