US3397533A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hot gas engine control system
Assignee: Motors Liquidation Co
•
Filing: 1966-10-07
•
Granted: 1968-08-20
•
Expires: 1986-10-07
Abstract
No abstract record available.
Inventors
- 👤 John C Steiner
- 👤 James H Wolgemuth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 03:17
CPC Classifications
F; F02; F02D; F02D41/00; F02D41/30; F02G; F02G1/00; F02G1/04; F02G1/043; F02G1/045; F02G1/047; F02G1/05
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2643509A
Cited
US2664698A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-08-20 | 1972-02-19 | 1972-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-08-20 | 1976-02-19 | 1976-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-08-20 | 1980-02-19 | 1980-08-20 | $7700.00 | Window Closed / Lapsed |