US2947294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Induction system
Assignee: Motors Liquidation Co
•
Filing: 1957-06-10
•
Granted: 1960-08-02
•
Expires: 1977-06-10
Abstract
No abstract record available.
Inventors
- 👤 Ralph C Bird
- 👤 Christiaan H Bouvy
- 👤 Dolza John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:02
CPC Classifications
F; F02; F02M; F02M35/00; F02M35/10; F02M35/10006; F02M35/10026; F02M35/10045; F02B; F02B27/00; F02B27/005; F02B27/006; F02M35/10091; F02M35/10111; F02M35/10131; F02M35/104; F02M35/116; F02B75/00; F02B75/16; F02B75/18; F02B75/22; F02M35/10209; F02M35/10216; Y; Y02; Y02T; Y02T10/00; Y02T10/10; Y02T10/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US196500A
Cited
DE534458C
Cited
US1977200A
Cited
US2046797A
Cited
US2034144A
Cited
US2119879A
Cited
US2119707A
Cited
US2098424A
Cited
US2382244A
Cited
US2766743A
Cited
US2791205A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-02 | 1964-02-01 | 1964-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-02 | 1968-02-01 | 1968-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-02 | 1972-02-01 | 1972-08-02 | $7700.00 | Window Closed / Lapsed |