Patent US2740548A successfully refreshed from Google Patents.
US2740548A
Expired / Lapsed
US
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Fuel tank cap
Assignee: Eaton Corp
•
Filing: 1952-02-23
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Granted: 1956-04-03
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Expires: 1972-02-23
Abstract
No abstract record available.
Inventors
- 👤 Arthur D Schultz
- 👤 George R Pipes
- 👤 Robert E Linn
- 👤 Reynold F Gamundi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 22:25
CPC Classifications
B; B64; B64D; B64D37/00; B64D37/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US996461A
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US1059053A
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US1377840A
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US1736350A
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US2064569A
Cited
US2164450A
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US2335309A
Cited
US2335906A
Cited
GB587287A
Cited
US2564232A
Cited
US2509770A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-04-03 | 1959-10-03 | 1960-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-04-03 | 1963-10-03 | 1964-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-04-03 | 1967-10-03 | 1968-04-03 | $7700.00 | Window Closed / Lapsed |