Manufacturing method for battery case lid including explosion-proof valve
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
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Mar 15, 2016
Grant Date -
Aug 1, 2013
app pub date -
Aug 22, 2011
filing date -
Oct 13, 2010
priority date (Note) -
In Force
status (Latency Note)
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Abstract
Provided is a battery case lid (1) formed by working a metal plate, including: a substrate section (2) and an explosion-proof valve (4) formed in the substrate section (2), wherein the explosion-proof valve (4) has a reduced thickness section (41) thinner than the substrate section (2), and the reduced thickness section (41) is formed by extending the metal plate by applying pressure while the metal plate is kept unrestrained.
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 | |
---|---|---|
NIPPON LIGHT METAL COMPANY LTD | 2-20 HIGASHI-SHINAGAWA 2-CHOME SHINAGAWA-KU TOKYO 140-8628 | |
SOODE NAGANO CO LTD | 5-21 OSACHIKATAMA-CHO 2-CHOME OKAYA-SHI NAGANO 394-0084 |
International Classification(s)

- 2011 Application Filing Year
- B21K Class
- 199 Applications Filed
- 106 Patents Issued To-Date
- 53.27 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
Kobayashi, Masato | Niigata, JP | 247 | 2767 |
# of filed Patents : 247 Total Citations : 2767 | |||
Nomura, Shinichi | Tokyo, JP | 37 | 496 |
# of filed Patents : 37 Total Citations : 496 | |||
Sode, Takayuki | Okaya, JP | 11 | 44 |
# of filed Patents : 11 Total Citations : 44 | |||
Sugiyama, Yukinori | Okaya, JP | 12 | 77 |
# of filed Patents : 12 Total Citations : 77 |
Cited Art Landscape
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Patent Citation Ranking
- 4 Citation Count
- B21K Class
- 29.47 % this patent is cited more than
- 9 Age
Forward Cite Landscape
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Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Sep 15, 2027 |
Fee | Large entity fee | small entity fee | micro entity fee |
---|---|---|---|
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 |
Full Text

Legal Events
Date | Code | Event | Description |
---|---|---|---|
Jun 19, 2017 | STCH | INFORMATION ON STATUS: PATENT DISCONTINUATION | free format text: PATENT EXPIRED DUE TO NONPAYMENT OF MAINTENANCE FEES UNDER 37 CFR 1.362 |
May 21, 2017 | FP | LAPSED DUE TO FAILURE TO PAY MAINTENANCE FEE | Effective Date: May 21, 2017 |
May 21, 2017 | LAPS | LAPSE FOR FAILURE TO PAY MAINTENANCE FEES | |
Dec 30, 2016 | REMI | MAINTENANCE FEE REMINDER MAILED | |
May 21, 2013 | I | Issuance | |
Oct 26, 2006 | P | Published | |
Aug 22, 2005 | AS | ASSIGNMENT | free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHENVAINU, ALEXANDER T.;CHRISTMAN, THOMAS A.;KLAWUHN, MANFRED;SIGNING DATES FROM 20050607 TO 20050722;REEL/FRAME:016656/0663 Owner name: GILLETTE COMPANY, THE, MASSACHUSETTS free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:CHENVAINU, ALEXANDER T.;CHRISTMAN, THOMAS A.;KLAWUHN, MANFRED;REEL/FRAME:016656/0663;SIGNING DATES FROM 20050607 TO 20050722 Owner name: GILLETTE COMPANY, THE, MASSACHUSETTS |
Apr 26, 2005 | F | Filing | |
Apr 26, 2005 | PD | Priority Date |

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