3 Matching Results

Results open in a new window/tab.

Claw-Bar for Drawing Railroad-Spikes. (open access)

Claw-Bar for Drawing Railroad-Spikes.

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.
System: The Portal to Texas History
Stove-Flue. (open access)

Stove-Flue.

Patent for a stove flue that is more secure in attachment, easier to clean, and is more fireproof to prevent burning of wood parts in the building that the flue is installed in.
Date: February 5, 1907
Creator: Thompson, Everett E.
System: The Portal to Texas History
Agricultural Implement. (open access)

Agricultural Implement.

Patent for "attachments for planters, cultivators and the like" (lines 8-10) "whereby the implement will be permitted to yield to uneven ground" (lines 11-12).
Date: November 5, 1901
Creator: Waters, James M.
System: The Portal to Texas History