US2801767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tank cap
Assignee: Individual
•
Filing: 1955-05-02
•
Granted: 1957-08-06
•
Expires: 1975-05-02
Abstract
No abstract record available.
Inventors
- 👤 Frank N Mariani
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:23
CPC Classifications
B; B60; B60K; B60K15/00; B60K15/03; B60K15/04; B60K15/0406; F; F01; F01M; F01M11/00; F01M11/04; F01M2011/0491; Y; Y10; Y10S; Y10S220/00; Y10S220/33
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-05 | 1961-02-04 | 1961-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-05 | 1965-02-04 | 1965-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-05 | 1969-02-04 | 1969-08-06 | $7700.00 | Window Closed / Lapsed |