Patent US2480866A successfully refreshed from Google Patents.
US2480866A
Expired / Lapsed
US
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Spline aligning device for propellers or the like
Assignee: Individual
•
Filing: 1947-12-31
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Granted: 1949-09-06
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Expires: 1967-12-31
Abstract
No abstract record available.
Inventors
- 👤 Rolland W Lusk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:03
CPC Classifications
G; G01; G01B; G01B5/00; G01B5/24; G01B5/25; Y; Y10; Y10T; Y10T29/00; Y10T29/53; Y10T29/53909; Y10T29/53913; Y10T29/53926
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-05 | 1953-03-07 | 1953-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-05 | 1957-03-07 | 1957-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-05 | 1961-03-07 | 1961-09-06 | $7700.00 | Window Closed / Lapsed |