US2523151A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Starting motor drive
Assignee: Motors Liquidation Co
•
Filing: 1948-05-08
•
Granted: 1950-09-19
•
Expires: 1968-05-08
Abstract
No abstract record available.
Inventors
- 👤 Paul L Schneider
- 👤 Harold J Cromwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:43
CPC Classifications
F; F16; F16D; F16D41/00; F16D41/20; F16D41/206; F02; F02N; F02N15/00; F02N15/02; F02N15/04; F02N15/06; F02N15/067; Y; Y10; Y10T; Y10T74/00; Y10T74/13
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |