71,981.--VACUUM GRAIN DRYER.--Geo. Clark, Buffalo, N.Y.

I claim, 1st, the three essential features or parts: the air tight grain chamber, the radiations heating pipes or floors, and the vacuum-producing apparatus, combined and operating substantially as herein set forth.

2d, the arrangement of the steam heating pipes within the grain chamber, substantially as set forth.

3d, The graduated gage vessel, H, arranged as and for the purpose set forth.

71,982.--DOOH LATCH.--Francis Clymer, Galion, Ohio.

I claim the mode of attaching a combined latch and hasp, B, and staple, F, to doors, by means of slots, I and H, so as to permit the adjustment of the same substantially as set forth.

71,983.--CLAMP.--Geo. H. Coo and Geo. H. Snow, New Haven, Conn.

We claim the herein described clamp, consisting of the head, C, upon one arm of the body, [Transcribers note: illegible letter], the opposite arm, provided with a corresponding foot, and the said head having arranged therein levers, D, and combined with a screw, B, so as to operate to clamp between the screw and the foot, substantially as set forth.

71,984.--BOAT DETACHING TACKLE.--David L. Cohen, Pensacola. Fla.

I claim the combination of the notched bars, a a, with the grooved blocks, B B, the sliding blocks, C, pitman, D D', and lever, F, substantially as and for the purpose described.