US2758196A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Surgical lighting system for television and other cameras
Assignee: Wilmot Castle Co
•
Filing: 1953-11-16
•
Granted: 1956-08-07
•
Expires: 1973-11-16
Abstract
No abstract record available.
Inventors
- 👤 Ernest H Greppin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:34
CPC Classifications
G; G03; G03B; G03B15/00; G03B15/02; G03B15/06; G03B15/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1321521A
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US2069186A
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US2675462A
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US2659038A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |