US3250222A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrodynamic coupling device
Assignee: Borg Warner Corp
•
Filing: 1963-12-16
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Granted: 1966-05-10
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Expires: 1983-12-16
Abstract
No abstract record available.
Inventors
- 👤 Reinhold C Zeidler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:15
CPC Classifications
F; F16; F16H; F16H41/00; F16H41/24; F16H41/28; F16H2041/243
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2658892A
Cited
US2651916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-05-09 | 1969-11-08 | 1970-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-05-09 | 1973-11-08 | 1974-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-05-09 | 1977-11-08 | 1978-05-10 | $7700.00 | Window Closed / Lapsed |