US3427983A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure balanced bearing loads in hydraulic devices
Assignee: ROBERT W BRUNDAGE
•
Filing: 1966-05-31
•
Granted: 1969-02-18
•
Expires: 1986-05-31
Abstract
No abstract record available.
Inventors
- 👤 Robert W Brundage
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 01:26
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0629; F16C32/064; F16C32/0651; F16C32/0659; F04; F04C; F04C15/00; F04C15/0042; F04C2/00; F04C2/08; F04C2/10; F04C2/102
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1970146A
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US2076664A
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US2918877A
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US2955536A
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US3188969A
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US3242703A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-02-18 | 1972-08-19 | 1973-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-02-18 | 1976-08-19 | 1977-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-02-18 | 1980-08-19 | 1981-02-18 | $7700.00 | Window Closed / Lapsed |