Patent US3441995A successfully refreshed from Google Patents.
Patent US2874579A successfully refreshed from Google Patents.
US2874579A
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High temperature hydraulic actuator
Assignee: Motors Liquidation Co
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Filing: 1956-02-21
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Granted: 1959-02-24
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Expires: 1976-02-21
Abstract
No abstract record available.
Inventors
- 👤 Howard M Geyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 18:51
CPC Classifications
F; F15; F15B; F15B15/00; F15B15/02; F15B15/08; F15B15/14; F15B15/1423; F15B15/1485; F15B21/00; F15B21/04; F16; F16H; F16H25/00; F16H25/18; F16H25/20; F16H2025/2062; F16H2025/209; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18056; Y10T74/18296; Y10T74/18304; Y10T74/18312; Y10T74/18568; Y10T74/18576; Y10T74/18592
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2732723A
Cited
US1138892A
Cited
US1239862A
Cited
US1990978A
Cited
US2597798A
Cited
US2784611A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-23 | 1962-08-25 | 1963-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-23 | 1966-08-25 | 1967-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-23 | 1970-08-25 | 1971-02-24 | $7700.00 | Window Closed / Lapsed |