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Publication numberUS98949 A
Publication typeGrant
Publication dateJan 18, 1870
Publication numberUS 98949 A, US 98949A, US-A-98949, US98949 A, US98949A
InventorsW. Gerelds
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Improvement in putty-knife
US 98949 A
Abstract  available in
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Claims  available in
Description  (OCR text may contain errors)

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Letters Patent No. 98,949, dated .Tamm/ry 18, 1870.


The Schedule referred to in these Letters Patent and makgg part o! the Same.

` To all 'whom it may concern.-

Be. it known that I, SELAV. GERELDs, of the cit and county of Worcester, State of Massachusetts, have in ven ted certain new mld useful Improvements in Putty- Knives; and Irdo hereby dechire the following t0 be 2L full and exact description of the same, reference being had to the accompanying drawings, by the letters of reference marked thereon, in which drawingslwith a spring, as at E, to hold the teat into place.

The blades are made long enough to have a. hole near the end, to receive theteat when shut, and also to extend beyond the handleA and form a screwdriver, es shown nt E.

The operation is simply to press on the lever et D', and it withdraws the teat, allowing the blade to be turned, and on removing the pressure, the spring forces the tent into the hole, and holds the blade open or shnt, as the cztse may be, and by removing the screw C, the blade may be removed, and :mother inserted.

W'het I yclaim as new, end desire to secure by Letters Patent, isy The putty-knife, composed of blade A, handle B, moi'zrbleipivot C, thumb-lever D D', and spring E, constructed as described.


Witnesses C. M. MILEs, J G. ARNOLD.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US4233737 *Apr 13, 1979Nov 18, 1980Poehlmann Paul WKnife with removable blade
US5301843 *Apr 5, 1993Apr 12, 1994Dap Products Inc.Combination caulking tube cap and applicator device
US7124510 *Jan 31, 2005Oct 24, 2006Sog Specialty Knives, Inc.Knife with double-ended rotatable blade
Cooperative ClassificationB26B1/046