Home| FAQ Search:Advanced|Person|Company| Type|Class Login
Quick search:
Patent number:
Patent Date:
first    back  next  last
US Patent: 141,549
Improvement in Box-Scrapers
Patentees:
Charles Ellis - Philadelphia, PA
George W. Ellis - Philadelphia, PA
John D. Ellis - Philadelphia, PA

USPTO Classifications:
30/171, 30/346

Tool Categories:
woodworking tools : scrapers : box scrapers

Assignees:
None

Manufacturer:
C. Ellis & Bros. - Philadelphia, PA

Witnesses:
G. Meathys
John C. Kennon
John McCormick
W. W. Dougherty

Patent Dates:
Applied: Jun. 20, 1873
Granted: Aug. 05, 1873

Patent Pictures: [ 1 | 2 | 3 ]
USPTO pdf tiff
Google Patents
Report data errors or omissions
Description:
The Ellis brothers were irked with the screws that passed through slotted holes in blades and fastned with nuts which they said would come loose in use. They invented threaded holes in the blade and screws to hold it to the box scraper handle.

Copyright © 2002-2017 - DATAMP