US3060848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lithographic plate cleaner and regreaser
Assignee: Rb and P Chemical and Supply Inc
•
Filing: 1961-09-27
•
Granted: 1962-10-30
•
Expires: 1981-09-27
Abstract
No abstract record available.
Inventors
- 👤 Grant C Beutner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 18:04
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A COMPOSITION TO CLEAN DRIED INK AND GUM FROM THE IMAGE OF A LITHOGRAPHIC PLATE AND TO REGREASE THE SAME AND COMPRISING AN ORGANIC SOLVENT TO DISSOLVE THE DRIED INK, WATER TO DISSOLVE THE GUM, A METASTABLE OLEOPHILIC SURFACE ACTIVE AGENT WHICH WILL CONCENTRATE ON THE IMAGE AREA OF THE PLATE AND BREAK DOWN TO DEPOSIT GREASE THEREON AND AN AGENT TO DESENSITIZE THE NONIMAGE AREA OF THE PLATE AGAINST INK RETENTION.
Claim 2
Dependent Claim
72 words
A COMPOSITION TO CLEAN DRIED INK AND GUM FROM THE IMAGE OF A LITHOGRAPHIC PLATE AND TO REGREASE THE SAME AND COMPRISING AN ORGANIC SOLVENT TO DISSOLVE THE DRIED INK, WATER TO DISSOLVE THE GUM, A METASTABLE OLEOPHILIC SURFACE ACTIVE AGENT WHICH WILL CONCENTRATE ON THE IMAGE AREA OF THE PLATE AND BREAK DOWN TO DEPOSIT GREASE THEREON AND AN AGENT TO DESENSITIZE THE NONIMAGE AREA OF THE PLATE AGAINST INK RETENTION.
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) | 1965-10-29 | 1966-04-30 | 1966-10-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-29 | 1970-04-30 | 1970-10-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-29 | 1974-04-30 | 1974-10-30 | $7700.00 | Window Closed / Lapsed |