US2870284A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Explosion-proof float switch for fuel supply tanks for aircraft
Assignee: Aerotec Corp
•
Filing: 1956-10-31
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Granted: 1959-01-20
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Expires: 1976-10-31
Abstract
No abstract record available.
Inventors
- 👤 John V Oliveau
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:53
CPC Classifications
H; H01; H01H; H01H9/00; H01H9/02; H01H9/04; H01H9/042; B; B64; B64D; B64D37/00; B64D37/32; G; G01; G01F; G01F23/00; G01F23/30; G01F23/64; G01F23/68; G01F23/70; H01H35/00; H01H35/18; H01H2009/0083
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-19 | 1962-07-21 | 1963-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-19 | 1966-07-21 | 1967-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-19 | 1970-07-21 | 1971-01-20 | $7700.00 | Window Closed / Lapsed |