Hammer

Youngren May 23, 2

Patent Grant D521342

U.S. patent number D521,342 [Application Number D/204,735] was granted by the patent office on 2006-05-23 for hammer. This patent grant is currently assigned to Estwing Manufacturing Company. Invention is credited to Robert H. Youngren.


United States Patent D521,342
Youngren May 23, 2006

Hammer

Claims

CLAIM The ornamental design for a hammer, as shown and described.
Inventors: Youngren; Robert H. (Rockford, IL)
Assignee: Estwing Manufacturing Company (Rockford, IL)
Appl. No.: D/204,735
Filed: May 3, 2004

Current U.S. Class: D8/75
Current International Class: 0802
Field of Search: ;D8/75,76,77,78,79,80,88,89 ;81/20,21,22,23,24,25 ;7/143,146

References Cited [Referenced By]

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Other References

CHAFFIN et al., Eds., "Hand-Tool Design Guidelines," in: Occupational Biomechanics, Ch. 11, pp. 435-461, 3.sup.rd Edition, John Wiley & Sons, Inc. (New York, 1999). cited by other .
U.S. Appl. No. 29/159,356, filed Apr. 18, 2002, Harkins et al. cited by other .
U.S. Appl. No. 29/159,383, filed Apr. 19, 2002, Harkins et al. cited by other .
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). cited by other .
KONZ, "Bent Hammer Handles," Human Factors, 28 (3), 317-323 (1986). cited by other .
"RIDGID Robohammer.RTM.," in Woodworking Tools for a Lifetime, Web page: http://www.ridgidwoodworking.com/products_robohammer.phtml (1998-2002). cited by other.

Primary Examiner: Hyder; Philip S.
Attorney, Agent or Firm: Gardner Carton & Douglas LLP

Description



FIG. 1 is a front perspective view of a hammer showing my new design;

FIG. 2 is a rear perspective view of the hammer;

FIG. 3 is a front elevation view of the hammer;

FIG. 4 is a rear elevation view of the hammer;

FIG. 5 is a right side elevation view of the hammer, the left side elevation being a mirror image thereof;

FIG. 6 is a top plan view of the hammer; and,

FIG. 7 is a bottom plan view of the hammer.

* * * * *

References


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