US3234853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic cylinder actuator
Assignee: Individual
•
Filing: 1963-10-18
•
Granted: 1966-02-15
•
Expires: 1983-10-18
Abstract
No abstract record available.
Inventors
- 👤 Joseph S Aber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 00:27
CPC Classifications
F; F15; F15B; F15B11/00; F15B11/06; F15B11/072; F15B11/0725; F15B2211/00; F15B2211/20; F15B2211/21; F15B2211/216; F15B2211/30; F15B2211/305; F15B2211/30525; F15B2211/70; F15B2211/705; F15B2211/7051; F15B2211/7053; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3127
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US375761A
Cited
US1314153A
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US666156A
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US986143A
Cited
US1147436A
Cited
US2151998A
Cited
US2638748A
Cited
US2661847A
Cited
US2849987A
Cited
US2940518A
Cited
US3069847A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |