Folding knife with secondary locking mechanism

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5964036
SERIAL NO

08968204

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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The present invention relates to cutting instruments, and more particularly folding knives which have a blade which travels between a first extended position coextensive with the knife handle and a second closed position with the knife blade at least partially recessed within a portion of the knife handle. More specifically, the present invention relates to secondary locking mechanisms to substantially prevent the knife blade from closing if the primary locking mechanism fails.

First Claim

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Patent Owner(s)

Patent OwnerAddress
SPYDERCO INC820 SPYDERCO WAY GOLDEN CO 80403

International Classification(s)

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  • 1997 Application Filing Year
  • B26B Class
  • 211 Applications Filed
  • 83 Patents Issued To-Date
  • 39.34 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances199719981999200020012002200320042005200620070255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Centofante, Frank Anthony Madisonville, TN 1 90

Cited Art Landscape

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Patent Citation Ranking

  • 90 Citation Count
  • B26B Class
  • 98.63 % this patent is cited more than
  • 26 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges678321464221101 - 1011 - 2021 - 3031 - 4041 - 5051 - 6061 - 7081 - 9091 - 1000510152025303540455055606570758085

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