US3155209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid coupling device
Assignee: Schwitzer Corp
•
Filing: 1962-04-19
•
Granted: 1964-11-03
•
Expires: 1982-04-19
Abstract
No abstract record available.
Inventors
- 👤 Thomas J Weir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 08:20
CPC Classifications
F; F16; F16D; F16D35/00; F16D35/02; F16D35/021; F16D35/022; F01; F01P; F01P7/00; F01P7/02; F01P7/04; F01P7/042
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2902127A
Cited
US3088566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-11-03 | 1968-05-04 | 1968-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-11-03 | 1972-05-04 | 1972-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-11-03 | 1976-05-04 | 1976-11-03 | $7700.00 | Window Closed / Lapsed |