Granted Patent
Utility
US 6,662,824
· Confirmation No. 4351
CHECK VALVE SLANTEDLY BIASED AGAINST PRESSURE-IMPOSING DIRECTION
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⬇ PDF
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Code | Description | Pages | ||
|---|---|---|---|---|---|
| 2003-10-21 | IFEE |
Issue Fee Payment (PTO-85B) | 2 | View | |
| 2001-12-21 | TRNA |
Transmittal of New Application | 2 | View | |
| 2001-12-21 | SPEC |
Specification | 16 | View | |
| 2001-12-21 | CLM |
Claims | 5 | View | |
| 2001-12-21 | ABST |
Abstract | 1 | View | |
| 2001-12-21 | DRW |
Drawings-only black and white line drawings | 4 | View |
Inventors
Shozo Inage
Anjo-city, JAPAN
Kaneyoshi Nagatani
Kariya-city, JAPAN
Attorneys & Agents of Record
Classification
USPC
137/539.5
F16K15/042
Y10T137/7922
Y10T137/7927
Y10T137/7928
F16K15/044
Prosecution
- Examiner
- RIVELL, JOHN A
- Art Unit
- 3753
- Customer No.
- 23400
- Docket No.
- 15-021
- Confirmation No.
- 4351
Foreign Priority
2000-398750
·
2000-12-27
·
JAPAN
Publication
- Pub. No.
- US20020079000A1
- Pub. Date
- 2002-06-27
Patent Term Adjustment
0days
No related applications found.
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded 2002-02-08
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Quick Facts
- Patent No.
- US 6,662,824
- App. No.
- 10/024,474
- Filed
- 2001-12-21
- Granted
- 2003-12-16
- Pub. No.
- US20020079000A1
- Examiner
- RIVELL, JOHN A
- Art Unit
- 3753
- PTA
- 0 days
External Links