US2556076A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Troopship type airplane seat structure
Assignee: Individual
•
Filing: 1944-09-15
•
Granted: 1951-06-05
•
Expires: 1964-09-15
Abstract
No abstract record available.
Inventors
- 👤 Robert B Evans
- 👤 Nampa Sulo Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:26
CPC Classifications
B; B64; B64D; B64D11/00; B64D11/06; B64D11/0639; B60; B60N; B60N2/00; B60N2/24; B60N2/30; B60N2/3038; B60N2/304; B64D11/062; B64D11/0641; B64D11/0649; B64D11/0696; B64D11/0698; Y; Y02; Y02T; Y02T50/00; Y02T50/40
Claims Analysis
Total Claims: 0
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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) | 1954-06-04 | 1954-12-04 | 1955-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-04 | 1958-12-04 | 1959-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-04 | 1962-12-04 | 1963-06-05 | $7700.00 | Window Closed / Lapsed |