Patent US2324697A successfully refreshed from Google Patents.
US2324697A
Expired / Lapsed
US
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Power transmission
Assignee: Vickers Inc
•
Filing: 1940-10-14
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Granted: 1943-07-20
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Expires: 1960-10-14
Abstract
No abstract record available.
Inventors
- 👤 Ferris T Harrington
- 👤 Ralph L Tweedale
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:53
CPC Classifications
B; B30; B30B; B30B15/00; B30B15/16; B30B15/18; B30B15/183; Y; Y10; Y10S; Y10S60/00; Y10S60/911
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) | 1946-07-19 | 1947-01-18 | 1947-07-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-07-19 | 1951-01-18 | 1951-07-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-07-19 | 1955-01-18 | 1955-07-20 | $7700.00 | Window Closed / Lapsed |