US2700412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Troopship type airplane seat structure
Assignee: Evans Products Co
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Filing: 1951-05-01
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Granted: 1955-01-25
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Expires: 1971-05-01
Abstract
No abstract record available.
Inventors
- 👤 Robert B Evans
- 👤 Nampa Sulo Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:18
CPC Classifications
B; B64; B64D; B64D11/00; B64D11/06; B60; B60N; B60N2/00; B60N2/24; B60N2/30; B60N2/3038; B60N2/304; B60N2/3045; B60N2/3047; B64D11/062; B64D11/0639; B64D11/0641; B64D11/0649; B64D11/0696
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) | 1958-01-24 | 1958-07-26 | 1959-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-24 | 1962-07-26 | 1963-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-24 | 1966-07-26 | 1967-01-25 | $7700.00 | Window Closed / Lapsed |