US3511651A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Persistent internal polarization imaging system with electrophoretic development
Assignee: OI Glass Inc
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Filing: 1966-08-22
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Granted: 1970-05-12
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Expires: 1986-08-22
Abstract
No abstract record available.
Inventors
- 👤 Barnett Rosenberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:51
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/024; G03G16/00; G03G17/00; G03G17/04; Y; Y10; Y10S; Y10S430/00; Y10S430/167; Y10S430/168
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-11 | 1973-11-10 | 1974-05-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-11 | 1977-11-10 | 1978-05-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-11 | 1981-11-10 | 1982-05-12 | $7700.00 | Window Closed / Lapsed |