US3499469A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self sealing pressure plug
Assignee: Texaco Inc
•
Filing: 1967-06-21
•
Granted: 1970-03-10
•
Expires: 1987-06-21
Abstract
No abstract record available.
Inventors
- 👤 Bennie Vizuete
- 👤 Richard J North
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:57
CPC Classifications
G; G01; G01M; G01M3/00; G01M3/02; G01M3/022; F; F16; F16L; F16L17/00; G01M3/26; G01M3/28; G01M3/2846
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US595189A
Cited
GB190808736A
Cited
US1647121A
Cited
US1830817A
Cited
US2062527A
Cited
US2873764A
Cited
US2793783A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-03-09 | 1973-09-08 | 1974-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-03-09 | 1977-09-08 | 1978-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-03-09 | 1981-09-08 | 1982-03-10 | $7700.00 | Window Closed / Lapsed |