Patent JPS5810739B2 successfully refreshed from Google Patents.
US3512967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic method and member for contact printing of relatively opaque documents
Assignee: International Business Machines Corp
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Filing: 1966-11-09
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Granted: 1970-05-19
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Expires: 1986-11-09
Abstract
No abstract record available.
Inventors
- 👤 Clifford E Herrick Jr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:26
CPC Classifications
G; G03; G03G; G03G15/00; G03G15/22; G03G15/225; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/07; G03G5/071; G03G5/072; G03G5/073; G03G5/10; G03G5/102; G03G5/14; G03G5/142; G03G5/144
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2689179A
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US3037861A
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US3102026A
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US3131060A
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US3158475A
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US3094910A
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US3335003A
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US3288605A
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 |