Vehicle door latch device with double action mechanism
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Jun 18, 2002
Grant Date -
N/A
app pub date -
Sep 20, 2000
filing date -
Sep 21, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A vehicle door latch device comprises an open lever (24) for connection to an outside open handle (25), a lock lever (34) for connection to an inside lock button (36) through a rod (101), an over-center spring (42) for elastically keeping the lock lever (34) in one of an unlocked position (U) and a locked position (L), a double action mechanism (27) for connection to an inside open handle (28), and an antitheft mechanism (100) having an antitheft spring (105) with elasticity weaker than elasticity of the over-center spring (42). The antitheft spring (105) is arranged to be compressed without displacing the lock lever (34) from the locked position (L) to the unlocked position (U) when the rod (101) is moved in an unlocking direction by an illegal access while the lock lever (34) is being in the locked position (L).
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 | |
---|---|---|
MITSUI KINZOKU KOGYO KABUSHIKI KAISHA | CHUO-KU TOKYO-TO |
International Classification(s)

- 2000 Application Filing Year
- E05C Class
- 209 Applications Filed
- 65 Patents Issued To-Date
- 31.11 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
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Watanabe, Hirofumi | Yamanashi-ken, JP | 147 | 1755 |
# of filed Patents : 147 Total Citations : 1755 |
Cited Art Landscape
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Patent Citation Ranking
- 39 Citation Count
- E05C Class
- 97.77 % this patent is cited more than
- 23 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
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Fee | Large entity fee | small entity fee | micro entity fee |
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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 |
Full Text

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Nov 11, 2024 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 8TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1552); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 8 |
Nov 09, 2020 | MAFP | MAINTENANCE FEE PAYMENT | free format text: PAYMENT OF MAINTENANCE FEE, 4TH YEAR, LARGE ENTITY (ORIGINAL EVENT CODE: M1551); ENTITY STATUS OF PATENT OWNER: LARGE ENTITY year of fee payment: 4 |
May 09, 2017 | I | Issuance | |
Apr 19, 2017 | STCF | INFORMATION ON STATUS: PATENT GRANT | free format text: PATENTED CASE |
Jun 26, 2014 | P | Published | |
Jan 29, 2014 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CADET, MAMONJY;CRETIER, ANNETTE;SAINT-LU, CHARLOTTE;SIGNING DATES FROM 20131231 TO 20140122;REEL/FRAME:032078/0208 Owner name: SATISLOH AG, SWITZERLAND |
Jun 28, 2012 | F | Filing | |
Jul 22, 2011 | PD | Priority Date |

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