Patent US2610992A successfully refreshed from Google Patents.
US2610992A
Expired / Lapsed
US
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Construction of dynamoelectric machines
Assignee: Westinghouse Electric Corp
•
Filing: 1950-05-16
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Granted: 1952-09-16
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Expires: 1970-05-16
Abstract
No abstract record available.
Inventors
- 👤 Francis J Johns
- 👤 Henry J Owens
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:20
CPC Classifications
H; H02; H02K; H02K9/00; H02K9/14; H02K9/18
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1446898A
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US1453159A
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US1654305A
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US1944107A
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US2050180A
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US2294586A
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US2414532A
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US2433390A
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US2454120A
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US2491943A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-09-16 | 1956-03-17 | 1956-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-16 | 1960-03-17 | 1960-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-16 | 1964-03-17 | 1964-09-16 | $7700.00 | Window Closed / Lapsed |