US2928245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydromechanical automatic progressive power ratio transmission system
Assignee: Individual
•
Filing: 1956-01-30
•
Granted: 1960-03-15
•
Expires: 1976-01-30
Abstract
No abstract record available.
Inventors
- 👤 Peter E Sjodin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:37
CPC Classifications
B; B60; B60T; B60T11/00; B60T11/10; B60T11/16; B60T11/224
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2190238A
Cited
US2194657A
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US2272360A
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US2351953A
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US2317601A
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US2291056A
Cited
US2321479A
Cited
US2739448A
Cited
US2717745A
Cited
US2820347A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-15 | 1963-09-14 | 1964-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-15 | 1967-09-14 | 1968-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-15 | 1971-09-14 | 1972-03-15 | $7700.00 | Window Closed / Lapsed |