Patent US3512966A successfully refreshed from Google Patents.
US3512966A
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Process of electrophotographic recording employing persistent organic photoconductive compositions
Assignee: International Business Machines Corp
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Filing: 1965-07-26
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Granted: 1970-05-19
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Expires: 1985-07-26
Abstract
No abstract record available.
Inventors
- 👤 Meredith David Shattuck
- 👤 Ulo Vahtra
- 👤 Daniel Andrew Nepela
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:38
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0601; G03G5/0618; G03G13/00; G03G13/04; G03G17/00; G03G5/0609; G03G5/0622; G03G5/0624; G03G5/0627; G03G5/0635; G03G5/07; G03G5/071; G03G5/072; G03G5/073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2845348A
Cited
US2863767A
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US2919119A
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US3081165A
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US2979403A
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US3113022A
Cited
US3257202A
Cited
US3316087A
Cited
US3287123A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-05-18 | 1973-11-17 | 1974-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-18 | 1977-11-17 | 1978-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-18 | 1981-11-17 | 1982-05-19 | $7700.00 | Window Closed / Lapsed |