Patent US3241958A successfully refreshed from Google Patents.
US3241958A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic recording members and processes of preparing same
Assignee: AB Dick Co
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Filing: 1962-11-29
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Granted: 1966-03-22
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Expires: 1982-11-29
Abstract
No abstract record available.
Inventors
- 👤 Bornarth Dennis Michael
- 👤 Berka Roman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:40
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/14; G03G5/142
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
AN ELECTROPHOTOGRAPHIC RECORDING MEMBER CONSISTING ESSENTIALLY OF A SUBSTRATE HAVING THEREON A COATING LAYER COVERING AND BONDED TO THE FACE OF SAID SUBSTRATE, SAID COATING LAYER CONSISTING ESSENTIALLY OF THE WATERINSOLUBLE REACTION PRODUCT OF A WATER-SOLUBLE AMINOPLAST PRECONDENSATE AND A POLYMERIC FILM-FORMING MATERIAL HAVING A REACTIVE GROUP FROM THE GROUP CONSISTING OF HYDROXYL GROUPS AND CARBOXYL GROUPS, AND A TOP COATING LAYER BONDED TO SAID FIRST-MENTIONED COATING LAYER, SAID TOP COATING LAYER CONSISTING ESSENTIALLY OF PHOTO-CONDUCTOR PARTICLES UNIFORMLY DISTRIBUTED THROUGHOUT AN ELECTRICALLY INSULATING FILM-FORMING RESINOUS BINDER.
Claim 2
Dependent Claim
86 words
AN ELECTROPHOTOGRAPHIC RECORDING MEMBER CONSISTING ESSENTIALLY OF A SUBSTRATE HAVING THEREON A COATING LAYER COVERING AND BONDED TO THE FACE OF SAID SUBSTRATE, SAID COATING LAYER CONSISTING ESSENTIALLY OF THE WATERINSOLUBLE REACTION PRODUCT OF A WATER-SOLUBLE AMINOPLAST PRECONDENSATE AND A POLYMERIC FILM-FORMING MATERIAL HAVING A REACTIVE GROUP FROM THE GROUP CONSISTING OF HYDROXYL GROUPS AND CARBOXYL GROUPS, AND A TOP COATING LAYER BONDED TO SAID FIRST-MENTIONED COATING LAYER, SAID TOP COATING LAYER CONSISTING ESSENTIALLY OF PHOTO-CONDUCTOR PARTICLES UNIFORMLY DISTRIBUTED THROUGHOUT AN ELECTRICALLY INSULATING FILM-FORMING RESINOUS BINDER.
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) | 1969-03-21 | 1969-09-20 | 1970-03-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-21 | 1973-09-20 | 1974-03-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-21 | 1977-09-20 | 1978-03-22 | $7700.00 | Window Closed / Lapsed |