US3406903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Engine exhaust fluid flow control valve
Assignee: Motors Liquidation Co
•
Filing: 1966-08-22
•
Granted: 1968-10-22
•
Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 Wayne B Kidder
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:51
CPC Classifications
F; F01; F01N; F01N13/00; F02; F02D; F02D9/00; F02D9/04; F02M; F02M31/00; F02M31/02; F02M31/04; F02M31/06; F02M31/08; F02M31/083; F02D2700/00; F02D2700/04; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12; Y10; Y10T; Y10T137/00; Y10T137/7504; Y10T137/7668
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1377168A
Cited
US2608203A
Cited
US2862685A
Cited
US2725862A
Cited
US2858987A
Cited
US3141470A
Cited
US3227428A
Cited
US3300137A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |