Hammer
Latest Estwing Manufacturing Company Patents:
Description
Claims
The ornamental design for a hammer, as shown and described.
Referenced Cited
U.S. Patent Documents
Other references
1934706 | November 1933 | Green |
D140407 | February 1945 | Henkel |
D209653 | December 1967 | Vogel |
3792725 | February 1974 | Burgeson |
3870091 | March 1975 | Burgeson |
3874433 | April 1975 | Sheperd, Jr. et al. |
D237582 | November 1975 | Mostyn et al. |
4030847 | June 21, 1977 | Carmien |
4038719 | August 2, 1977 | Bennett |
4154273 | May 15, 1979 | Pollak |
D262186 | December 8, 1981 | Royce |
4363344 | December 14, 1982 | Pollak |
D271275 | November 8, 1983 | Richilano |
4639029 | January 27, 1987 | Kolonia |
D288406 | February 24, 1987 | Santos |
D291402 | August 18, 1987 | Square |
D300111 | March 7, 1989 | Square |
D315483 | March 19, 1991 | Williamson |
5123303 | June 23, 1992 | Lee et al. |
5259274 | November 9, 1993 | Hreha |
5425176 | June 20, 1995 | Brainerd et al. |
5588343 | December 31, 1996 | Rust et al. |
5657674 | August 19, 1997 | Burnett |
5768956 | June 23, 1998 | Coonrad |
5860334 | January 19, 1999 | Coonrad |
D408702 | April 27, 1999 | Hammond et al. |
5906144 | May 25, 1999 | Staviski et al. |
D416462 | November 16, 1999 | Pringle et al. |
5988019 | November 23, 1999 | Coonrad |
5996235 | December 7, 1999 | Brainerd |
6016722 | January 25, 2000 | Gierer et al. |
D420881 | February 22, 2000 | Davis et al. |
D426128 | June 6, 2000 | Lamond et al. |
6095497 | August 1, 2000 | Chen |
D431987 | October 17, 2000 | Staton |
D431988 | October 17, 2000 | Staton |
6128977 | October 10, 2000 | Gierer et al. |
6131488 | October 17, 2000 | Coonrad |
D436821 | January 30, 2001 | Douglas et al. |
6202511 | March 20, 2001 | Murray et al. |
D442048 | May 15, 2001 | Coonrad |
6250181 | June 26, 2001 | Coonrad |
D449770 | October 30, 2001 | Chen |
6370986 | April 16, 2002 | Scott |
6405616 | June 18, 2002 | Chen |
D459968 | July 9, 2002 | Harkins et al. |
6435059 | August 20, 2002 | Martinez |
6460430 | October 8, 2002 | Coonrad |
D478264 | August 12, 2003 | Chen |
D478265 | August 12, 2003 | Chen |
D478266 | August 12, 2003 | Chen |
6647829 | November 18, 2003 | Youngren et al. |
6976406 | December 20, 2005 | Youngren et al. |
D519348 | April 25, 2006 | Chen |
D521342 | May 23, 2006 | Youngren |
20010029813 | October 18, 2001 | Schroeder |
- Chaffin et al., Eds., “Hand-Tool Design Guidelines,” in: Occupational Biomechanics, Ch. 11, pp. 435-461, 3rd Edition, John Wiley & Sons, Inc. (New York, 1999).
- Harkins et al., U.S. Appl. No. 29/159,136, filed Apr. 18, 2002.
- Harkins et al., U.S. Appl. No. 29/159,383, filed Apr. 19, 2002.
- Knowlton et al., “Ulnar Deviation and Short-Term Strength Reductions as Affected by a Curve-Handled Ripping Hammer and a Conventional Claw Hammer,”Ergonomics, 26 (2), 173-179 (1983).
- Konz, “Bent Hammer Handles,” Human Factors, 28 (3), 317-323 (1986).
- “RIDGID Robohammer®,” in Woodworking Tools for a Lifetime, Web page: http://www.ridgidwoodworking.com/products— robohammer.phtml (1998-2002).
Patent History
Patent number: D549064
Type: Grant
Filed: Mar 1, 2006
Date of Patent: Aug 21, 2007
Assignee: Estwing Manufacturing Company (Rockford, IL)
Inventors: Robert H. Youngren (Rockford, IL), Bruce V. Johnson (Sterling, IL)
Primary Examiner: Philip S. Hyder
Attorney: Drinker Biddle & Reath LLP
Application Number: 29/254,955
Type: Grant
Filed: Mar 1, 2006
Date of Patent: Aug 21, 2007
Assignee: Estwing Manufacturing Company (Rockford, IL)
Inventors: Robert H. Youngren (Rockford, IL), Bruce V. Johnson (Sterling, IL)
Primary Examiner: Philip S. Hyder
Attorney: Drinker Biddle & Reath LLP
Application Number: 29/254,955
Classifications
Current U.S. Class:
D8/75