US2360982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reversible screw propeller operating mechanism
Assignee: MORGAN SMITH S CO
•
Filing: 1942-07-03
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Granted: 1944-10-24
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Expires: 1962-07-03
Abstract
No abstract record available.
Inventors
- 👤 Sahle Rolfe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:05
CPC Classifications
B; B63; B63H; B63H3/00; B63H3/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-10-24 | 1948-04-24 | 1948-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-10-24 | 1952-04-24 | 1952-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-10-24 | 1956-04-24 | 1956-10-24 | $7700.00 | Window Closed / Lapsed |