SPIRAL GASKET
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
N/A
Issued Date -
Jul 24, 2014
app pub date -
Jan 10, 2014
filing date -
Jan 21, 2013
priority date (Note) -
Abandoned
status (Latency Note)
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Importance

US Family Size
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Non-US Coverage
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Abstract
A spiral gasket includes: a gasket body having a body portion, an inner peripheral empty winding portion, and an outer peripheral empty winding portion. An inner ring having an outer peripheral surface on which an inner ring pawl portion engageable with the inner peripheral empty winding portion and an outer ring having an inner peripheral surface on which an outer ring pawl portion engageable with an outer peripheral surface of the outer peripheral empty winding portion are formed. The number of turns of the inner and outer peripheral empty winding portions are set to 5 to 10. Respective gaps are formed between the inner/outer peripheral surface of the inner/outer peripheral empty winding portion and a portion of the outer/inner peripheral surface of the inner/outer ring except for the inner/outer ring pawl portion.
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 PILLAR PACKING CO LTD | YODOGAWA-KU 11-48 NONAKAMINAMI 2-CHOME OSAKA-SHI OSAKA 532-0022 |
International Classification(s)

- 2014 Application Filing Year
- F16J Class
- 613 Applications Filed
- 500 Patents Issued To-Date
- 81.57 % Issued To-Date
Inventor(s)
Inventor Name | Address | # of filed Patents | Total Citations |
---|---|---|---|
MIYOSHI, Takeshi | Hyogo, JP | 20 | 209 |
# of filed Patents : 20 Total Citations : 209 | |||
SUEHIRO, Atsushi | Hyogo, JP | 3 | 11 |
# of filed Patents : 3 Total Citations : 11 |
Cited Art Landscape
- No Cited Art to Display

Patent Citation Ranking
- 0 Citation Count
- F16J Class
- 0 % this patent is cited more than
- 11 Age
Forward Cite Landscape
- No Forward Cites to Display

Maintenance Fees
Fee | Large entity fee | small entity fee | micro entity fee | due date |
---|---|---|---|---|
11.5 Year Payment | $7400.00 | $3700.00 | $1850.00 | Jan 24, 2026 |
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

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