Patent US3459961A successfully refreshed from Google Patents.
US3459961A
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Movement responsive light control means
Assignee: Westinghouse Electric Corp
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Filing: 1967-04-17
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Granted: 1969-08-05
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Expires: 1987-04-17
Abstract
No abstract record available.
Inventors
- 👤 Richard J Ravas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:01
CPC Classifications
G; G08; G08B; G08B13/00; G08B13/16; G08B13/1609; G08B13/1618; G08B13/1627; G01; G01S; G01S15/00; G01S15/02; G01S15/50; G01S15/52; G01S15/523; Y; Y10; Y10S; Y10S362/00; Y10S362/802
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2788509A
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US2939135A
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US3046519A
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US3061758A
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US3225265A
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US3242486A
Cited
US3331065A
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US3319116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-04 | 1973-02-03 | 1973-08-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-04 | 1977-02-03 | 1977-08-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-04 | 1981-02-03 | 1981-08-05 | $7700.00 | Window Closed / Lapsed |