US1902449A
Expired / Lapsed
US
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Combined positive drive with differential characteristics and freewheeling
Assignee: Individual
•
Filing: 1931-12-08
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Granted: 1933-03-21
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Expires: 1951-12-08
Abstract
No abstract record available.
Inventors
- 👤 Hughey V Hughes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:14
CPC Classifications
F; F16; F16H; F16H48/00; F16H48/20; F16H48/22; F16D; F16D41/00; F16D41/06; F16D41/08; F16D41/10; F16D41/105; F16H48/12; F16H48/16; F16H48/19; F16H48/24; F16H48/295; F16H48/30; F16H2048/305; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19005
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) | 1936-03-20 | 1936-09-19 | 1937-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-03-20 | 1940-09-19 | 1941-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-03-20 | 1944-09-19 | 1945-03-21 | $7700.00 | Window Closed / Lapsed |