US2477868A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Low-pitch removable mechanical stop
Assignee: UNITED AIRERAFT Corp
•
Filing: 1946-04-17
•
Granted: 1949-08-02
•
Expires: 1966-04-17
Abstract
No abstract record available.
Inventors
- 👤 George W Forman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 09:11
CPC Classifications
B; B64; B64C; B64C11/00; B64C11/30; B64C11/38; B64C11/385
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
NL47209C
Cited
US585649A
Cited
GB499514A
Cited
US2348764A
Cited
US2368950A
Cited
GB496038A
Cited
GB519261A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-08-01 | 1953-01-31 | 1953-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-08-01 | 1957-01-31 | 1957-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-08-01 | 1961-01-31 | 1961-08-02 | $7700.00 | Window Closed / Lapsed |