US2256929A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic gear shift mechanism
Assignee: HENRY BLECH
•
Filing: 1938-11-16
•
Granted: 1941-09-23
•
Expires: 1958-11-16
Abstract
No abstract record available.
Inventors
- 👤 Sugarwater Harold
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 00:54
CPC Classifications
F; F16; F16H; F16H63/00; F16H63/02; F16H63/30; F16H63/304; F16H2063/305; F16H61/00; F16H61/02; F16H61/0202; F16H61/0204; F16H61/0206; F16H61/0211; Y; Y10; Y10T; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19293; Y10T74/19298; Y10T74/19307; Y10T74/19377; Y10T74/19414; Y10T74/19419; Y10T74/19423; Y10T74/19428; Y10T74/19437; Y10T74/20; Y10T74/20207; Y10T74/20238; Y10T74/20244
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) | 1944-09-22 | 1945-03-24 | 1945-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-09-22 | 1949-03-24 | 1949-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-09-22 | 1953-03-24 | 1953-09-23 | $7700.00 | Window Closed / Lapsed |