US2136971A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Variable speed mechanism
Assignee: Individual
•
Filing: 1936-02-04
•
Granted: 1938-11-15
•
Expires: 1956-02-04
Abstract
No abstract record available.
Inventors
- 👤 Fleischel Gaston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 23:49
CPC Classifications
F; F16; F16H; F16H61/00; F16H61/02; F16H61/0262; F16H3/00; F16H3/44; F16H3/46; F16H3/48; F16H3/52; F16H3/54; Y; Y10; Y10S; Y10S74/00; Y10S74/01
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) | 1941-11-14 | 1942-05-16 | 1942-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-14 | 1946-05-16 | 1946-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-14 | 1950-05-16 | 1950-11-15 | $7700.00 | Window Closed / Lapsed |