US3265497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrophotographic material
Assignee: Renker Belipa Fa GmbH
•
Filing: 1962-04-23
•
Granted: 1966-08-09
•
Expires: 1982-04-23
Abstract
No abstract record available.
Inventors
- 👤 Kosche Horst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:51
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/02; G03G5/04; G03G5/06; G03G5/0664; G03G5/0666; G03G5/0668; C; C07; C07C; C07C205/00; C07C205/45; C07C49/00; C07C49/76; C07C49/84; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/74; C07D215/00; C07D215/02; C07D215/12; C07D215/14; C07D231/00; C07D231/54; C07D231/56; C07D333/00; C07D333/02; C07D333/04; C07D333/06; C07D333/22; C09; C09B; C09B1/00; C09B1/16; C09B1/20; C09B1/22; C09D; C09D175/00; C09D175/04; G03G5/0601; G03G5/0609; G03G5/0618; G03G5/062; G03G5/0672; G03G5/0674; G03G5/10; G03G5/101; G03G5/102; C07C2603/00; C07C2603/02; C07C2603/04; C07C2603/06; C07C2603/10; C07C2603/12; C07C2603/18
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
22 words
AN ELECTROPHOTOGRAPHIC MATERIAL COMPRISING A CARRIER AND AN ELECTROPHOTOGRAPHIC LAYER THEREON, SAID LAYER CONTAINING A LOW MOLECULAR NON-POLYMERIC KETONE OF THE FORMULA
Claim 2
Dependent Claim
22 words
AN ELECTROPHOTOGRAPHIC MATERIAL COMPRISING A CARRIER AND AN ELECTROPHOTOGRAPHIC LAYER THEREON, SAID LAYER CONTAINING A LOW MOLECULAR NON-POLYMERIC KETONE OF THE FORMULA
Claim 3
Dependent Claim
30 words
AN ELECTROPHOTOGRAPHIC MATERIAL COMPRISING A CARRIER AND AN ELECTROPHOTOGRAPHIC LAYER THEREON CONTAINING A LOW MOLECULAR WEIGHT NONPOLYMERIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF KETONES AND THIOKETONES HAVING THE FORMULA
Claim 4
Dependent Claim
30 words
AN ELECTROPHOTOGRAPHIC MATERIAL COMPRISING A CARRIER AND AN ELECTROPHOTOGRAPHIC LAYER THEREON CONTAINING A LOW MOLECULAR WEIGHT NONPOLYMERIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF KETONES AND THIOKETONES HAVING THE FORMULA
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-08 | 1970-02-07 | 1970-08-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-08 | 1974-02-07 | 1974-08-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-08 | 1978-02-07 | 1978-08-09 | $7700.00 | Window Closed / Lapsed |