Patent US3476451A successfully refreshed from Google Patents.
US3476451A
Expired / Lapsed
US
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Fluid bearing system
Assignee: Individual
•
Filing: 1966-02-07
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Granted: 1969-11-04
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Expires: 1986-02-07
Abstract
No abstract record available.
Inventors
- 👤 Everett H Schwartzman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:58
CPC Classifications
F; F16; F16C; F16C32/00; F16C32/06; F16C32/0603; F16C32/0614; F16C32/0622; F16C32/0662; F16C32/067; F16C32/0681; F16C32/0696; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3058785A
Cited
US3249390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-03 | 1973-05-05 | 1973-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-03 | 1977-05-05 | 1977-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-03 | 1981-05-05 | 1981-11-04 | $7700.00 | Window Closed / Lapsed |