US2953776A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photographic digital readout device
Assignee: Individual
•
Filing: 1956-04-26
•
Granted: 1960-09-20
•
Expires: 1976-04-26
Abstract
No abstract record available.
Inventors
- 👤 Blutman Eli
- 👤 Jacob M Sacks
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:07
CPC Classifications
G; G09; G09G; G09G3/00; G09G3/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US862343A
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US1660254A
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US2137360A
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US2251998A
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US2348535A
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US2346251A
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US2551683A
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US2769939A
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US2618697A
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US2694785A
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US2730708A
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US2773216A
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US2698915A
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US2848638A
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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) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |