US2679946A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasoline tank cap with doubleacting valve
Assignee: Stant USA Corp
•
Filing: 1951-05-14
•
Granted: 1954-06-01
•
Expires: 1971-05-14
Abstract
No abstract record available.
Inventors
- 👤 Friend Dawson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:03
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7771; Y10T137/778
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1885121A
Cited
US2015915A
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US2154113A
Cited
US2133575A
Cited
US2203801A
Cited
US2181969A
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US2528796A
Cited
US2528791A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-31 | 1957-11-30 | 1958-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-31 | 1961-11-30 | 1962-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-31 | 1965-11-30 | 1966-06-01 | $7700.00 | Window Closed / Lapsed |