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US2712083A
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Thermal protection for dynamo-electric machines
Assignee: Westinghouse Electric Corp
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Filing: 1952-12-06
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Granted: 1955-06-28
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Expires: 1972-12-06
Abstract
No abstract record available.
Inventors
- 👤 C Armstrong G
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:06
CPC Classifications
H; H02; H02K; H02K11/00; H02K11/20; H02K11/25; F; F25; F25B; F25B2500/00; F25B2500/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1676923A
Cited
US2471840A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |