Patent US2926535A successfully refreshed from Google Patents.
US2926535A
Expired / Lapsed
US
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Electric motor
Assignee: Radio Condenser Co
•
Filing: 1954-04-28
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Granted: 1960-03-01
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Expires: 1974-04-28
Abstract
No abstract record available.
Inventors
- 👤 Heselwood James Clement
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:19
CPC Classifications
H; H03; H03J; H03J7/00; H03J7/18; H03J7/30; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1558; Y10T74/1565; Y10T74/1566; Y10T74/1568; Y10T74/1574; Y10T74/1587; Y10T74/1598
Claims Analysis
Total Claims: 0
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US2420203A
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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) | 1963-03-01 | 1963-08-31 | 1964-03-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-01 | 1967-08-31 | 1968-03-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-01 | 1971-08-31 | 1972-03-01 | $7700.00 | Window Closed / Lapsed |