US3479063A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid pressure tightened joint
Assignee: FLEXFLOAT ENG Co
•
Filing: 1968-12-24
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Granted: 1969-11-18
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Expires: 1988-12-24
Abstract
No abstract record available.
Inventors
- 👤 Clarence Leo Raver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:46
CPC Classifications
F; F16; F16L; F16L17/00; F16L17/06; F16L17/08; F16L17/067; F16L23/00; F16L23/16; F16L23/18; F16L23/20; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918; Y10T29/49938; Y10T29/49945
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1866160A
Cited
US1873855A
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US2422009A
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US2642016A
Cited
US2687229A
Cited
US3062565A
Cited
US3207523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-17 | 1973-05-19 | 1973-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-17 | 1977-05-19 | 1977-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-17 | 1981-05-19 | 1981-11-18 | $7700.00 | Window Closed / Lapsed |