Patent US2043661A successfully refreshed from Google Patents.
US2043661A
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Centrifugal driving mechanism
Assignee: Individual
•
Filing: 1934-08-10
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Granted: 1936-06-09
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Expires: 1954-08-10
Abstract
No abstract record available.
Inventors
- 👤 Andrew F Howe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:51
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0806; B; B04; B04B; B04B3/00; B04B3/04
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) | 1939-06-09 | 1939-12-09 | 1940-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-06-09 | 1943-12-09 | 1944-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-06-09 | 1947-12-09 | 1948-06-09 | $7700.00 | Window Closed / Lapsed |