US2828166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Empennage stand for aircraft
Assignee: AIRCRAFTSMEN Inc
•
Filing: 1955-09-01
•
Granted: 1958-03-25
•
Expires: 1975-09-01
Abstract
No abstract record available.
Inventors
- 👤 Matthew M Herring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:50
CPC Classifications
B; B64; B64F; B64F5/00; B64F5/50; E; E04; E04H; E04H12/00; E04H12/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US182380A
Cited
GB190201461A
Cited
US1114718A
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FR690736A
Cited
US2066221A
Cited
US2187283A
Cited
US2354905A
Cited
US2471492A
Cited
US2614893A
Cited
US2570076A
Cited
US2606078A
Cited
US2699879A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-03-24 | 1961-09-23 | 1962-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-03-24 | 1965-09-23 | 1966-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-03-24 | 1969-09-23 | 1970-03-25 | $7700.00 | Window Closed / Lapsed |