Puncture resistant knife blade

- Spyderco, Inc.
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Description

FIG. 1 is a front elevational view of a puncture resistant knife blade, showing my new design;

FIG. 2 is a top plan view of the knife blade illustrated in FIG. 1;

FIG. 3 is a rear elevational view of the knife blade illustrated in FIG. 1;

FIG. 4 is a bottom plan view of the knife blade iilustrated in FIG. 1;

FIG. 5 is a left end elevational view of the knife blade illustrated in FIG. 1;

FIG. 6 is a right end elevational view of the knife blade illustrated is FIG. 1;

FIG. 7 is a fragmentary front elevational view, wherein the broken line showing of the handle is for illustrative purposes only and forms no part of the claimed design.

Referenced Cited
U.S. Patent Documents
344006 February 1886 Glesser
349837 August 1886 Glesser
5542139 August 6, 1996 Boivin
5581834 December 10, 1996 Collins
Other references
  • Brigade Quartermasters Catalog, p. 59, Spyderco Rescue knife, 1997. U.S. Cavalry Catalog, p. 83, L Pterodactyl Knife, 1995. Cold Steel Catalog, Emergency Rescue Knife ER, 1993.
Patent History
Patent number: D403567
Type: Grant
Filed: Dec 12, 1997
Date of Patent: Jan 5, 1999
Assignee: Spyderco, Inc. (Golden, CO)
Inventor: Louis S. Glesser (Golden, CO)
Primary Examiner: Philip S. Hyder
Law Firm: Sheridan Ross P.C.
Application Number: 0/80,640
Classifications
Current U.S. Class: D 8/98; D8/20
International Classification: 0803;