US2894492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure responsive limited movement valve mechanism for hydraulic system
Assignee: International Motors LLC
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Filing: 1957-07-19
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Granted: 1959-07-14
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Expires: 1977-07-19
Abstract
No abstract record available.
Inventors
- 👤 Joseph F Ziskal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:48
CPC Classifications
F; F16; F16D; F16D48/00; F16D48/02; F16D48/04; F16D25/00; F16D25/12; F16D25/14; F16D2048/0209; F16D2048/0221
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) | 1962-07-13 | 1963-01-12 | 1963-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-13 | 1967-01-12 | 1967-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-13 | 1971-01-12 | 1971-07-14 | $7700.00 | Window Closed / Lapsed |