US2853638A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Inductor generator
Assignee: Motors Liquidation Co
•
Filing: 1957-01-11
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Granted: 1958-09-23
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Expires: 1977-01-11
Abstract
No abstract record available.
Inventors
- 👤 Joseph L Bonnano
- 👤 John L Goldthwaite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:02
CPC Classifications
F; F01; F01D; F01D15/00; F01D15/10; H; H02; H02K; H02K19/00; H02K19/16; H02K19/22; H02K19/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-22 | 1962-03-24 | 1962-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-22 | 1966-03-24 | 1966-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-22 | 1970-03-24 | 1970-09-23 | $7700.00 | Window Closed / Lapsed |