FOLDING KNIFE WITH SPRING-ANCHORED PIVOT
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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N/A
Issued Date -
Jul 18, 2024
app pub date -
Jan 16, 2023
filing date -
Jan 16, 2023
priority date (Note) -
Published
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
A folding knife is provided with a deflectable pivot that provides a varying bias force as the blade is rotated between the closed and open positions. Specifically, the pivot secures the blade to bias members of a handle, and the bias members deform relative to other parts of the handle to allow the pivot to move and to provide the varying bias force. A cam surface on the tang of the blade operatively engages a pin of the handle to control the deflection of the pivot and the bias members. The cam surface and the resulting bias force are arranged to locate and keep the blade in the open or closed positions like a detent mechanism to reduce the likelihood of an unintentional opening or closing of the blade and to improve the safety of the folding knife.
First Claim
all claims..Other Claims data not available
Family

- 15 United States
- 10 France
- 8 Japan
- 7 China
- 5 Korea
- 2 Other
Patent Owner(s)
Patent Owner | Address | |
---|---|---|
SPYDERCO INC | GOLDEN CO |
International Classification(s)

- 2023 Application Filing Year
- B26B Class
- 291 Applications Filed
- 58 Patents Issued To-Date
- 19.94 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Read, Michael | Flore, GB | 13 | 19 |
# of filed Patents : 13 Total Citations : 19 |
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Patent Citation Ranking
- 0 Citation Count
- B26B Class
- 0 % this patent is cited more than
- 1 Age
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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3.5 Year Payment | $1600.00 | $800.00 | $400.00 | Jan 18, 2028 |
7.5 Year Payment | $3600.00 | $1800.00 | $900.00 | Jan 18, 2032 |
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 18, 2036 |
Fee | Large entity fee | small entity fee | micro entity fee |
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Surcharge - 3.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 7.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge - 11.5 year - Late payment within 6 months | $160.00 | $80.00 | $40.00 |
Surcharge after expiration - Late payment is unavoidable | $700.00 | $350.00 | $175.00 |
Surcharge after expiration - Late payment is unintentional | $1,640.00 | $820.00 | $410.00 |
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