US3351009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing plate blank with elastomeric backing
Assignee: Individual
•
Filing: 1966-03-24
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Granted: 1967-11-07
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Expires: 1986-03-24
Abstract
No abstract record available.
Inventors
- 👤 Edward M Plank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 07:26
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/12; B41N1/04; B41N1/06; B41N1/16; B41N1/20; B41N6/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A PRINTING PLATE BLANK OF THE CLASS DESCRIBED, FOR USE IN MAKING DIRECT AND INDIRECT PRINTING PLATES, COMPRISING A METALLIC BODY HAVING A PRINTING SURFACE ON WHICH IMAGES CAN BE APPLIED WHOLLY WITHIN THE LIMIT OF THE THICKNESS OF THE METALLIC BODY, SAID BODY HAVING INSEPARABLY BONDED TO THE OPPOSITE FACE TYEREOF AN ELASTOMERIC BACKING IN THE FORM OF A RELATIVELY HARD BUT FLEXIBLE THERMO-SET PLASTIC LAYER,COMPRISING A BLEND OF POLYMERIZED RIGID AND FLEXIBLE UNSATURATED ALKYD POLYESTER RESINS, WITH THE HARDNESS OF SAID BACKING BEING INVERSELY PROPORTIONAL TO THE THICKNESS OF THE BLANK IN A THICKNESS RANGE FROM ABOUT 0.17 INCH TO ABOUT .375 INCH.
Claim 2
Dependent Claim
105 words
A PRINTING PLATE BLANK OF THE CLASS DESCRIBED, FOR USE IN MAKING DIRECT AND INDIRECT PRINTING PLATES, COMPRISING A METALLIC BODY HAVING A PRINTING SURFACE ON WHICH IMAGES CAN BE APPLIED WHOLLY WITHIN THE LIMIT OF THE THICKNESS OF THE METALLIC BODY, SAID BODY HAVING INSEPARABLY BONDED TO THE OPPOSITE FACE TYEREOF AN ELASTOMERIC BACKING IN THE FORM OF A RELATIVELY HARD BUT FLEXIBLE THERMO-SET PLASTIC LAYER,COMPRISING A BLEND OF POLYMERIZED RIGID AND FLEXIBLE UNSATURATED ALKYD POLYESTER RESINS, WITH THE HARDNESS OF SAID BACKING BEING INVERSELY PROPORTIONAL TO THE THICKNESS OF THE BLANK IN A THICKNESS RANGE FROM ABOUT 0.17 INCH TO ABOUT .375 INCH.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |