US3108535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fountain solution and cleansing agent for the offset printing process
Assignee: Azoplate Corp
•
Filing: 1961-11-14
•
Granted: 1963-10-29
•
Expires: 1981-11-14
Abstract
No abstract record available.
Inventors
- 👤 Uhlig Fritz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:05
CPC Classifications
B; B41; B41N; B41N3/00; B41N3/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
38 words
IN AN OFFSET PRINTING PROCESS, THE IMPROVEMENT WHICH COMPRISES DAMPENING THE PRINTING PLATE WITH A FOUNTAIN SOLUTION COMPRISING AN AQUEOUS SOLUTION OF A MEMBER OF THE GROUP CONSISTNG OF VINYL PHOSPHONIC ACID, POLYVINYL PHOSPHONIC ACID, AND MIXTURES THEREOF.
Claim 2
Dependent Claim
38 words
IN AN OFFSET PRINTING PROCESS, THE IMPROVEMENT WHICH COMPRISES DAMPENING THE PRINTING PLATE WITH A FOUNTAIN SOLUTION COMPRISING AN AQUEOUS SOLUTION OF A MEMBER OF THE GROUP CONSISTNG OF VINYL PHOSPHONIC ACID, POLYVINYL PHOSPHONIC ACID, AND MIXTURES THEREOF.
References Cited (Backward Citations)
US2534650A
Cited
US2988988A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-10-28 | 1967-04-29 | 1967-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-28 | 1971-04-29 | 1971-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-28 | 1975-04-29 | 1975-10-29 | $7700.00 | Window Closed / Lapsed |