US2695146A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aircraft propeller blade with deicing means
Assignee: Motors Liquidation Co
•
Filing: 1951-06-21
•
Granted: 1954-11-23
•
Expires: 1971-06-21
Abstract
No abstract record available.
Inventors
- 👤 Witt Robert M De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 08:23
CPC Classifications
B; B64; B64D; B64D15/00; B64D15/12
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1875454A
Cited
US1846468A
Cited
US2248221A
Cited
FR848062A
Cited
US2619305A
Cited
US2402770A
Cited
US2552075A
Cited
US2464273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-22 | 1958-05-24 | 1958-11-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-22 | 1962-05-24 | 1962-11-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-22 | 1966-05-24 | 1966-11-23 | $7700.00 | Window Closed / Lapsed |