US2864133A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hangar door
Assignee: Individual
•
Filing: 1955-11-07
•
Granted: 1958-12-16
•
Expires: 1975-11-07
Abstract
No abstract record available.
Inventors
- 👤 Dwen R Younger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:09
CPC Classifications
E; E06; E06B; E06B3/00; E06B3/92; E06B3/925; E06B3/927; E06B3/01
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
GB482348A
Cited
US2614835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |