Patent US2929944A successfully refreshed from Google Patents.
US2929944A
Expired / Lapsed
US
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Dynamoelectric machine
Assignee: Motors Liquidation Co
•
Filing: 1956-07-24
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Granted: 1960-03-22
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Expires: 1976-07-24
Abstract
No abstract record available.
Inventors
- 👤 Ralph K Shewmon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:09
CPC Classifications
H; H02; H02K; H02K15/00; H02K15/16
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1270527A
Cited
US2482847A
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US2538196A
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GB648665A
Cited
US2711285A
Cited
DE866814C
Cited
US2697179A
Cited
US2742223A
Cited
US2802957A
Cited
US2776088A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-03-22 | 1963-09-21 | 1964-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-03-22 | 1967-09-21 | 1968-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-03-22 | 1971-09-21 | 1972-03-22 | $7700.00 | Window Closed / Lapsed |