US1409994A
Expired / Lapsed
US
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Transmission mechanism and differential gearing
Assignee: Individual
•
Filing: 1920-11-15
•
Granted: 1922-03-21
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Expires: 1940-11-15
Abstract
No abstract record available.
Inventors
- 👤 Nahum C Bement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:42
CPC Classifications
F; F16; F16H; F16H3/00; F16H3/02; F16H3/20; F16H3/22; F16H48/00; F16H48/12; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19005; Y10T74/19023; Y10T74/19074; Y10T74/19079; Y10T74/19084
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) | 1925-03-20 | 1925-09-19 | 1926-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-03-20 | 1929-09-19 | 1930-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-03-20 | 1933-09-19 | 1934-03-21 | $7700.00 | Window Closed / Lapsed |