Adustable pipe clamp
Latest Hirsh Company Patents:
Description
FIG. 1 is a perspective view of an adjustable pipe clamp showing our new design;
FIG. 2 is an enlarged front elevational view thereof;
FIG. 3 is an enlarged rear elevational view thereof;
FIG. 4 is an enlarged left side elevational view thereof, the right side being a mirror image;
FIG. 5 is an enlarged top plan view thereof; and
FIG. 6 is an enlarged bottom plan view thereof.
The pipe is shown in broken lines for illustrative purposes only.
Referenced Cited
U.S. Patent Documents
Other references
| 9294 | October 1852 | Butler |
| 24194 | May 1859 | Clarkson |
| 97376 | November 1869 | Fenner |
| 292207 | January 1884 | Corbett |
| 307439 | November 1884 | Corbett |
| 319517 | June 1885 | Sheldon |
| 324803 | August 1885 | Bancroft |
| 404368 | May 1889 | Stearns |
| 410815 | September 1889 | Tarbell |
| 749732 | January 1904 | Hanson et al. |
| 875302 | December 1907 | Verdin |
| 926030 | June 1909 | Stout |
| 927067 | July 1909 | Offineer |
| 946140 | January 1910 | Knoke |
| 974240 | November 1910 | Darr |
| 977695 | December 1910 | Anderson |
| 1004743 | October 1911 | Cobb |
| 1201461 | October 1916 | Hargrave |
| 1356136 | October 1920 | Gaul |
| 1503606 | August 1924 | Singleton |
| 1577868 | March 1926 | Muller |
| 1638848 | August 1927 | Hargrave |
| 1783713 | December 1930 | Holman |
| 2061217 | November 1936 | Watcher |
| 2221325 | November 1940 | Holman |
| 2391143 | December 1945 | Ertner |
| 2581317 | January 1952 | Zabich |
| 2675839 | April 1954 | Beasley |
| 2815778 | December 1957 | Holman |
| 2923334 | February 1960 | Brennan, Jr. |
| 2949947 | August 1960 | Story |
| 2973792 | March 1961 | Fonken |
| 4257584 | March 24, 1981 | Sterling |
- Advertising Sheet (81/2".times.11", 2 sides) entitled, "Hirsh Ultra Clamp Adjustable Bar Clamp. " .COPYRGT.1981.
Patent History
Patent number: D279646
Type: Grant
Filed: Sep 16, 1982
Date of Patent: Jul 16, 1985
Assignee: Hirsh Company (Skokie, IL)
Inventors: Irwin J. Ferdinand (Glencoe, IL), Richard Sylvan (Glenview, IL), Herbert Baisch (Palatine, IL)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Clare E. Heflin
Law Firm: Dressler, Goldsmith, Shore, Sutker & Milnamow, Ltd.
Application Number: 6/418,735
Type: Grant
Filed: Sep 16, 1982
Date of Patent: Jul 16, 1985
Assignee: Hirsh Company (Skokie, IL)
Inventors: Irwin J. Ferdinand (Glencoe, IL), Richard Sylvan (Glenview, IL), Herbert Baisch (Palatine, IL)
Primary Examiner: Susan J. Lucas
Assistant Examiner: Clare E. Heflin
Law Firm: Dressler, Goldsmith, Shore, Sutker & Milnamow, Ltd.
Application Number: 6/418,735
Classifications
Current U.S. Class:
D 8/72