US2964144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Airplane hangar
Assignee: Individual
•
Filing: 1957-10-21
•
Granted: 1960-12-13
•
Expires: 1977-10-21
Abstract
No abstract record available.
Inventors
- 👤 James E Wheeler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:06
CPC Classifications
E; E04; E04B; E04B1/00; E04B1/343; E04B1/346; E04H; E04H6/00; E04H6/44
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1773656A
Cited
US2282756A
Cited
US2414929A
Cited
US2587353A
Cited
US2721630A
Cited
US2661407A
Cited
US2651689A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |