US3718531A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mounting base material for rubber printing plates and method of manufacturing the same
Assignee: Image Products Group LLC
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Filing: 1970-12-30
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Granted: 1973-02-27
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Expires: 1990-12-30
Abstract
Abstract A non-internally delaminable mounting material having an outer surface which includes a visibly and tactually discernible alignment grid and a method of manufacturing the same are disclosed herein. The laminate material includes outer layers of polyethylene terephthalate or polyvinyl fluoride film and inner layers of a resilient cellulosic material and includes a layer of metal foil between the outer film layer and the cellulosic material.
Inventors
- 👤 T Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:21
CPC Classifications
B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; B32B15/09; B32B15/12; B32B27/00; B32B27/06; B32B27/10; B32B27/30; B32B27/304; B32B27/36; B41; B41F; B41F30/00; B41N; B41N6/00; G; G03; G03F; G03F9/00; B32B2260/00; B32B2260/02; B32B2260/028; B32B2260/04; B32B2260/048; B32B2311/00; B32B2311/12; B32B2311/24; B32B2311/30; B32B2607/00; Y; Y10; Y10S; Y10S101/00; Y10S101/36; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24612; Y10T428/24802; Y10T428/24917; Y10T428/26; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31696
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
60 words
The laminate material of claim 1, in which a. said top and bottom outer layers are approximately .0005 to .0020 in. in thickness, b. said second intermediate layer is approximately .0200 to .0500 in. in thickness, c. said first intermediate layer is approximately .00025 to .002 in. in thickness, d. said indentations are approximately .001 to .007 in. in depth.
Claim 2
Dependent Claim
20 words
The material of claim 1, in which a. said indentations are arranged to define a grid of one inch squares.
Claim 3
Dependent Claim
36 words
The material of claim 1, in which a. said indentations are in the form of crosses and dots, b. the diameters of said dots being substantially equal to the thickness of the legs of said crosses.
References Cited (Backward Citations)
US1296929A
Cited
US2229133A
Cited
US2294879A
Cited
US2283587A
Cited
US2609749A
Cited
US2785630A
Cited
US2760273A
Cited
US3119330A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |