US2488091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic apparatus for producing scales, dial faces, and the like
Assignee: Optical Measuring Tools Ltd
•
Filing: 1945-08-03
•
Granted: 1949-11-15
•
Expires: 1965-08-03
Abstract
No abstract record available.
Inventors
- 👤 Meech Frank Button
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:11
CPC Classifications
G; G03; G03B; G03B17/00; G03B17/24
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1034192A
Cited
US1391859A
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US1588221A
Cited
DE587591C
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US1975439A
Cited
US2275977A
Cited
US2266287A
Cited
US2300803A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-11-14 | 1953-05-16 | 1953-11-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-11-14 | 1957-05-16 | 1957-11-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-11-14 | 1961-05-16 | 1961-11-15 | $7700.00 | Window Closed / Lapsed |