US2652906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mobile airplane hangar structure
Assignee: MITCHELL MOBILHANGAR Corp
•
Filing: 1949-04-27
•
Granted: 1953-09-22
•
Expires: 1969-04-27
Abstract
No abstract record available.
Inventors
- 👤 John L Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:40
CPC Classifications
E; E04; E04H; E04H6/00; E04H6/44
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US293595A
Cited
GB191103387A
Cited
US1470557A
Cited
US2002605A
Cited
US2292078A
Cited
US2395691A
Cited
US2420186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-21 | 1957-03-23 | 1957-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-21 | 1961-03-23 | 1961-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-21 | 1965-03-23 | 1965-09-22 | $7700.00 | Window Closed / Lapsed |