Lock for an extension pole
Latest The Wooster Brush Company Patents:
Description
FIG. 1 is a side elevational view of a lock for an extension pole showing my new design, the opposite side being a mirror image of that shown;
FIG. 2 is an end elevational view thereof;
FIG. 3 is an opposite end elevational view thereof;
FIG. 4 is a top plan view thereof; and
FIG. 5 is a top perspective view thereof.
The broken-line showing of portions of an extension pole in the views is for illustrative purposes only and forms no part of the claimed design.
Referenced Cited
U.S. Patent Documents
933248 | September 1909 | Grant |
1278100 | October 1918 | Bruning |
1365703 | January 1921 | Kolb |
2545813 | August 1946 | Jackson |
2682414 | June 1954 | Richardson |
2875007 | February 1959 | Fox |
3026592 | March 1962 | Dudley |
3704850 | December 1972 | Hendrickson et al. |
4586399 | May 6, 1986 | Kassai |
Patent History
Patent number: D315286
Type: Grant
Filed: Jan 29, 1988
Date of Patent: Mar 12, 1991
Assignee: The Wooster Brush Company (Wooster, OH)
Inventor: Howard Graves (Berlin, OH)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Renner, Otto, Boisselle & Sklar
Application Number: 7/150,328
Type: Grant
Filed: Jan 29, 1988
Date of Patent: Mar 12, 1991
Assignee: The Wooster Brush Company (Wooster, OH)
Inventor: Howard Graves (Berlin, OH)
Primary Examiner: Wallace R. Burke
Assistant Examiner: Brian N. Vinson
Law Firm: Renner, Otto, Boisselle & Sklar
Application Number: 7/150,328
Classifications
Current U.S. Class:
D/8331