71,964.--VENTILATOR FOR BUILDINGS.--Thomas Boyd, Cambridgeport, Mass.

I claim, 1st, The combination of the chamber, A, with or without the
lenses, B, cone, C, and rods, D, constructed and arranged to operate
substantially as and for the purpose set forth.

2d, The combination of the oscillating cap, K, and elastic pads, I,
substantially as and for the purpose set forth.

3d, The arrangement of the chamber, A, cone, C, pipes E and H, and
cones, G and K, substantially as set forth.


71,965.--DOOR LATCH.--Purmort Bradford (assignor to Sargent & Co.), New
Haven, Conn.

I claim the construction of the latch bolt with the pivot bearings, a
and b, upon opposite sides combined with a single central pivot upon the
plate so as to be adjustable for a right or left-hand door and the said
plate constructed with a slot through which the latch is operated, in
the manner herein set forth.


71,966.--PLOW.--Harvey Briggs, Smithland, Ky.

I claim, 1st, Forming the land side, mold board frame and upper
and lower strengthening floors, b1 and b2, solid in one piece B,
substantially as herein shown and described and for the purpose set
forth.