US2590472A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic transmission
Assignee: Mack Manufacturing Corp
•
Filing: 1947-02-28
•
Granted: 1952-03-25
•
Expires: 1967-02-28
Abstract
No abstract record available.
Inventors
- 👤 Guy E Soper
- 👤 Hans-Eric E Christenson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:00
CPC Classifications
F; F16; F16H; F16H47/00; F16H47/06; F16H47/08; F16H47/085
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2042189A
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US2205794A
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US2158557A
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US2379015A
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US2308547A
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US2293358A
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US2360646A
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US2374303A
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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) | 1955-03-25 | 1955-09-24 | 1956-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-03-25 | 1959-09-24 | 1960-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-03-25 | 1963-09-24 | 1964-03-25 | $7700.00 | Window Closed / Lapsed |