US2840763A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stroboscopic lamp control arrangements
Assignee: Westinghouse Electric Corp
•
Filing: 1954-03-08
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Granted: 1958-06-24
•
Expires: 1974-03-08
Abstract
No abstract record available.
Inventors
- 👤 Sheldon I Rambo
- 👤 Milton P Vore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:02
CPC Classifications
H; H05; H05B; H05B41/00; H05B41/14; H05B41/30; H05B41/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1904124A
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US2073247A
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US2331317A
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US2383405A
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US2342257A
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US2325385A
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US2516326A
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US2521141A
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GB649320A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-23 | 1961-12-23 | 1962-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-23 | 1965-12-23 | 1966-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-23 | 1969-12-23 | 1970-06-24 | $7700.00 | Window Closed / Lapsed |