US2560870A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic shifting mechanism for hydraulic-mechanism transmissions
Assignee: Mack Manufacturing Corp
•
Filing: 1947-10-09
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Granted: 1951-07-17
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Expires: 1967-10-09
Abstract
No abstract record available.
Inventors
- 👤 Alvin F Hulick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 09:49
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; B; B60; B60W; B60W10/00; B60W10/04; B60W10/06; B60W10/10; B60W30/00; B60W30/18; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7847; Y10T74/00; Y10T74/19; Y10T74/19219; Y10T74/19251; Y10T74/19256; Y10T74/1926; Y10T74/19265
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |