US3469863A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid coupling assembly
Assignee: Trico Products Corp
•
Filing: 1967-04-05
•
Granted: 1969-09-30
•
Expires: 1987-04-05
Abstract
No abstract record available.
Inventors
- 👤 William C Riester
- 👤 Bronislaus S Graczyk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:38
CPC Classifications
F; F16; F16L; F16L37/00; F16L37/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2964437A
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US3146051A
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US3277422A
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US3163448A
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US3154281A
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US3214195A
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US3154365A
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US3305249A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-09-29 | 1973-03-31 | 1973-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-09-29 | 1977-03-31 | 1977-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-09-29 | 1981-03-31 | 1981-09-30 | $7700.00 | Window Closed / Lapsed |