US2656973A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electric motor for driving a device within a compartment
Assignee: Reliance Electric and Engineering Co
•
Filing: 1949-06-09
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Granted: 1953-10-27
•
Expires: 1969-06-09
Abstract
No abstract record available.
Inventors
- 👤 Charles R Sutherland
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:15
CPC Classifications
H; H02; H02K; H02K9/00; H02K9/14; F; F04; F04D; F04D19/00; F04D19/002; F04D29/00; F04D29/05; F04D29/056; F04D29/059; F04D29/06; F04D29/063; F04D29/58; F04D29/582; F04D29/584
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1736002A
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US1876767A
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US2000874A
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US2169331A
Cited
US2252673A
Cited
US2301063A
Cited
US2422968A
Cited
US2400711A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-10-26 | 1957-04-27 | 1957-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-26 | 1961-04-27 | 1961-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-26 | 1965-04-27 | 1965-10-27 | $7700.00 | Window Closed / Lapsed |