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Ventilating Cover. (open access)

Ventilating Cover.

Patent for a new and improved ventilating cover. This design "consists in the detailed construction of the same . . . whereby the contents of . . . vessels are protected from dust, insects, and all kinds of impurity, and at the same time are thoroughly ventilated by free communication with the atmosphere, and so that any gases arising from the contents of said vessels will not be confined with the contents, but will pass off through the ventilating-cover into the surrounding air" (lines 16-26).
Date: April 28, 1885
Creator: Smith, Ralph Julius
System: The Portal to Texas History
Motor for Sewing Machines. (open access)

Motor for Sewing Machines.

Patent for a new and improved sewing-machine motor. This design has for its object "the production of a motor capable of rapid and convenient adjustment to permit operation by hand or foot . . . Heretofore motors have been provided for [this purpose] but the difficulty experienced in these machines is that during the operation of the machine by hand the treadle forms no substantial support for the feet, the pitman simply being disconnected from the driving-wheel and thrown back. . . . [T]he present invention . . . will obviate the above objection" (lines 10-22).
Date: August 28, 1888
Creator: Briggs, Emma Flora
System: The Portal to Texas History
Snap-Hook. (open access)

Snap-Hook.

Patent for improvements in snap-hooks by using just one “single piece of wire, having a stationary arm that bent to form an inwardly-extending shank with its extremity bent in a reverse direction upon itself to form a bearing; the spring-arm and the spring-loop formed by coiling the wire upon itself and crossing, and extending outward at an angle to form shoulders to strengthen the hook immediately in front of the spring-loop.” (Lines 61-70) Illustration is included.
Date: April 28, 1891
Creator: Stukes, John Marion
System: The Portal to Texas History