Patent US3676210A successfully refreshed from Google Patents.
US3676210A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for making electrophotographic plates
Assignee: International Business Machines Corp
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Filing: 1970-11-09
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Granted: 1972-07-11
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Expires: 1990-11-09
Abstract
Abstract A CONDUCTIVE SUBSTRATE IS SIMULTANEOUSLY SPRAYED WITH A RESIN BINDER SUSPENDED IN A CARRIER LIQUID AND WITH THE PRECURSORS OF A PHOTOCONDUCTIVE COMPOUND.
Inventors
- 👤 Meredith David Shattuck
- 👤 William J Weiche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 12:59
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/05; G03G5/0525
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-07-11 | 1976-01-10 | 1976-07-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-07-11 | 1980-01-10 | 1980-07-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-07-11 | 1984-01-10 | 1984-07-11 | $7700.00 | Window Closed / Lapsed |