Patent US2632855A successfully refreshed from Google Patents.
US2632855A
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US
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Photoelectric speed control
Assignee: Westinghouse Electric Corp
•
Filing: 1947-10-07
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Granted: 1953-03-24
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Expires: 1967-10-07
Abstract
No abstract record available.
Inventors
- 👤 Waldemar I Bendz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:56
CPC Classifications
H; H02; H02P; H02P29/00; H02P29/0016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2249820A
Cited
US1962467A
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US2080575A
Cited
US2251306A
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US2250209A
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US2429331A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-23 | 1956-09-22 | 1957-03-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-23 | 1960-09-22 | 1961-03-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-23 | 1964-09-22 | 1965-03-24 | $7700.00 | Window Closed / Lapsed |