US2788412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Temperature corrected electrical control device
Assignee: Motors Liquidation Co
•
Filing: 1953-07-17
•
Granted: 1957-04-09
•
Expires: 1973-07-17
Abstract
No abstract record available.
Inventors
- 👤 Thomas C Heath
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:47
CPC Classifications
H; H02; H02J; H02J7/00; H02J7/14; H02J7/16; H02J7/22; H02J7/225
Claims Analysis
Total Claims: 0
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US2443968A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |