US912736A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable-speed driving mechanism.
Assignee: Individual
•
Filing: 1907-08-30
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Granted: 1909-02-16
•
Expires: 1927-08-30
Abstract
No abstract record available.
Inventors
- 👤 Richard Matthews Ruck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 07:02
CPC Classifications
F; F16; F16H; F16H37/00; F16H37/02; F16H37/06; F16H37/08; F16H37/0833; F16H3/00; F16H3/02; F16H3/20; F16H3/36; F16H3/363; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19293; Y10T74/19335; Y10T74/1934
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) | 1912-02-16 | 1912-08-17 | 1913-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1916-02-16 | 1916-08-17 | 1917-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1920-02-16 | 1920-08-17 | 1921-02-16 | $7700.00 | Window Closed / Lapsed |