US2276114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
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Assignee: COLORVISION ADS Inc
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Filing: 1940-03-26
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Granted: 1942-03-10
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Expires: 1960-03-26
Abstract
No abstract record available.
Inventors
- 👤 John J Sture
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:42
CPC Classifications
G; G02; G02B; G02B6/00; G02B6/0001; G09; G09F; G09F13/00; G09F13/18; G09F2013/1872; G09F2013/1877; G09F2013/1886; G09F2013/189
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-03-09 | 1945-09-08 | 1946-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-03-09 | 1949-09-08 | 1950-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-03-09 | 1953-09-08 | 1954-03-10 | $7700.00 | Window Closed / Lapsed |