US3209683A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planographic printing plate
Assignee: Interchemical Corp
•
Filing: 1963-07-16
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Granted: 1965-10-05
•
Expires: 1983-07-16
Abstract
No abstract record available.
Inventors
- 👤 Paul W Greubel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:10
CPC Classifications
G; G03; G03F; G03F7/00; G03F7/004; G03F7/04; G03F7/075; G03F7/0752
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
48 words
A PLANOGRAPHIC PRINTING PLATE COMPRISING A METAL SURFACE COATED WITH A DISCONTINUOUS CURED LAYER OF A THERMOSETTING SILICONE RESIN, SAID SURFACE BEING COATED WITH A LIGHT-HARDENED BICHROMATED PROTEIN FILM IN AREAS UNCOATED BY SAID SILCONE RESIN, SAID PROTEIN COATED AREAS CORRESPONDING TO A SELECTED IMAGE TO BE PRINTED.
Claim 2
Dependent Claim
48 words
A PLANOGRAPHIC PRINTING PLATE COMPRISING A METAL SURFACE COATED WITH A DISCONTINUOUS CURED LAYER OF A THERMOSETTING SILICONE RESIN, SAID SURFACE BEING COATED WITH A LIGHT-HARDENED BICHROMATED PROTEIN FILM IN AREAS UNCOATED BY SAID SILCONE RESIN, SAID PROTEIN COATED AREAS CORRESPONDING TO A SELECTED IMAGE TO BE PRINTED.
References Cited (Backward Citations)
US2804388A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |