US3067673A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stencil sheet assembly including top film
Assignee: AB Dick Co
•
Filing: 1959-03-13
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Granted: 1962-12-11
•
Expires: 1979-03-13
Abstract
No abstract record available.
Inventors
- 👤 Bror E Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:00
CPC Classifications
B; B41; B41N; B41N1/00; B41N1/24; B41N1/242; C; C09; C09D; C09D127/00; C09D127/02; C09D127/04; Y; Y10; Y10T; Y10T428/00; Y10T428/27; Y10T428/273; Y10T428/31504; Y10T428/31826; Y10T428/31833; Y10T428/31855; Y10T428/31909; Y10T428/31913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
IN A STENCIL SHEET ASSEMBLY EMBODYING A COATED STENCIL SHEET AND A TOP FILM FOR USE IN COMBINATION WITH THE COATED STENCIL SHEET, THE IMPROVEMENT WHEREIN THE TOP FILM COMPRISES A THIN PLIABLE BASE FILM OF A SYNTHETIC POLYMERIC MATERIAL WHICH IS AFFECTED BY THE PLASTICIZERS AND OILS IN THE COATING OF THE STENCIL SHEET AND A THIN LAYER ON THE SURFACE OF THE BASE FILM ADJACENT THE COATED STENCIL AND FORMED OF A SYNTHETIC POLYMERIC FILM FORMING MATERIAL WHICH IS UNAFFECTED BY THE OILS AND PLASTIZERS PRESENT IN THE COATING OF THE STENCIL SHEET, SAID SYNTHETIC POLYMERIC MATERIAL OF THE BASE FILM BEING SELECTED FROM THE GROUP CONSISTING OF RUBBER HYDROCHLORIDE, POLYETHYLENE AND POLYPROPYLENE, SAID SYNTHETIC POLYMERIC FILM FORMING MATERIAL OF THE COATING BEING SELECTED FORM A GROUP CONSISTING OF UNPLASTICIZED POLYVINYL CHLORIDE, POLYVINYLIDENE CHLORIDE AND MIXTURES THEREOF AND COPOLYMERS THEREOF.
Claim 2
Dependent Claim
142 words
IN A STENCIL SHEET ASSEMBLY EMBODYING A COATED STENCIL SHEET AND A TOP FILM FOR USE IN COMBINATION WITH THE COATED STENCIL SHEET, THE IMPROVEMENT WHEREIN THE TOP FILM COMPRISES A THIN PLIABLE BASE FILM OF A SYNTHETIC POLYMERIC MATERIAL WHICH IS AFFECTED BY THE PLASTICIZERS AND OILS IN THE COATING OF THE STENCIL SHEET AND A THIN LAYER ON THE SURFACE OF THE BASE FILM ADJACENT THE COATED STENCIL AND FORMED OF A SYNTHETIC POLYMERIC FILM FORMING MATERIAL WHICH IS UNAFFECTED BY THE OILS AND PLASTIZERS PRESENT IN THE COATING OF THE STENCIL SHEET, SAID SYNTHETIC POLYMERIC MATERIAL OF THE BASE FILM BEING SELECTED FROM THE GROUP CONSISTING OF RUBBER HYDROCHLORIDE, POLYETHYLENE AND POLYPROPYLENE, SAID SYNTHETIC POLYMERIC FILM FORMING MATERIAL OF THE COATING BEING SELECTED FORM A GROUP CONSISTING OF UNPLASTICIZED POLYVINYL CHLORIDE, POLYVINYLIDENE CHLORIDE AND MIXTURES THEREOF AND COPOLYMERS THEREOF.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |