US2992632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic remote control systems
Assignee: Individual
•
Filing: 1954-11-03
•
Granted: 1961-07-18
•
Expires: 1974-11-03
Abstract
No abstract record available.
Inventors
- 👤 Harry J Nichols
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:17
CPC Classifications
B; B63; B63H; B63H3/00; B63H3/06; B63H3/08; B63H3/081; B63H3/082; B63H2003/088
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR667353A
Cited
US1965867A
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US1955154A
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US2261444A
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US2395671A
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US2388010A
Cited
US2345531A
Cited
US2573943A
Cited
US2637259A
Cited
US2786539A
Cited
US2524055A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-17 | 1965-01-16 | 1965-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-17 | 1969-01-16 | 1969-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-17 | 1973-01-16 | 1973-07-18 | $7700.00 | Window Closed / Lapsed |