US2672941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for connecting rotor blades to rotor bodies
Assignee: Mcculloch Motors Corp
•
Filing: 1951-10-04
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Granted: 1954-03-23
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Expires: 1971-10-04
Abstract
No abstract record available.
Inventors
- 👤 Dragoljub K Jovanovich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 13:37
CPC Classifications
B; B64; B64C; B64C27/00; B64C27/32; B64C27/37; B64C27/46; B64C27/473; B64C27/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2356692A
Cited
US2430767A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-03-22 | 1957-09-21 | 1958-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-22 | 1961-09-21 | 1962-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-22 | 1965-09-21 | 1966-03-23 | $7700.00 | Window Closed / Lapsed |