US2788671A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Power steering apparatus of the hydraulic type
Assignee: HYDRA POWER CORP
•
Filing: 1953-12-21
•
Granted: 1957-04-16
•
Expires: 1973-12-21
Abstract
No abstract record available.
Inventors
- 👤 Frank A Talbot
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:40
CPC Classifications
B; B62; B62D; B62D5/00; B62D5/06; B62D5/10; B62D5/14
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1467209A
Cited
US1840869A
Cited
US1981805A
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US2199081A
Cited
US2309148A
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US2420155A
Cited
US2487321A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-15 | 1960-10-15 | 1961-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-15 | 1964-10-15 | 1965-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-15 | 1968-10-15 | 1969-04-16 | $7700.00 | Window Closed / Lapsed |