Retractable knife
United States Patent D398829

Okada, Shoji (Sakai, JP)
Application Number:
Publication Date:
Filing Date:
Olfa Kabushiki Kaisha (JP)
Primary Class:
Field of Search:
D8/98, D8/99, D8/107, 30/162, 30/320, 30/329, 30/335, 30/337
View Patent Images:
US Patent References:
D386959Retractable knifeDecember, 1997OkadaD8/99
5502896Cutter knifeApril, 1996Chen30/162
D354900Retractable blade knifeJanuary, 1995HiraiD8/99
D347563Retractable knifeJune, 1994OkadaD8/99
5269063Step-slide type cutter knife with automatic lock mechanismDecember, 1993Okada30/320
D324475Retractable blade knifeMarch, 1992Staubitz et al.D8/99
D264801Cutter knifeJune, 1982OsadaD8/99
D264802Cutter knifeJune, 1982OsadaD8/99
D264803Cutter knifeJune, 1982MachidaD8/99
4226020Knife and blade advance and locking mechanism thereforOctober, 1980Quenot et al.30/162

Other References:
Spectrum Razor Tool Catalog, Aug. 1995.
Primary Examiner:
Hyder, Philip S.
Attorney, Agent or Firm:
Ostrolenk, Faber, Gerb & Soffen, LLP
1. The ornamental design for a retractable knife, as shown and described.


FIG. 1 is a front side perspective view of a retractable knife showing my new design;

FIG. 2 is a rear side perspective view thereof;

FIG. 3 is a top plan view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a rear elevational view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a left end view thereof;

FIG. 8 is a right end view thereof;

FIG. 9 is a sectional view taken along a line 9--9 in FIG. 4;

FIG. 10 is a sectional view taken along a line 10--10 in FIG. 4; and,

FIG. 11 is a sectional view taken along a line 11--11 in FIG. 4.