US3843478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Matte finish film
Assignee: Fort James Corp
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Filing: 1972-04-28
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Granted: 1974-10-22
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Expires: 1992-04-28
Abstract
Abstract 1. A COMPOSITE FILM HAVING AN OVERALL THICKNESS OF BETWEEN ABOUT 0.75 AND ABOUT 10 MILS AND COMPRISING TWO COEXTRUDED LAYERS, ONE LAYER BEING AN OUTER LAYER OF A ETHYLENE-PROPLYENE BLOCK COMPOLYMER HAVING AN ETHYLENE CONTENT OF FROM 3 TO ABOUT 25% BY WEIGHT OF THE COPOLYMER, SAID OUTER LAYER HAVING A THICKNESS BETWEEN ABOUT 0.02 AND ABOUT MIL AND A NON-EMBOSSED MATTE SURFACE HAVING A SURFACE GLOSS OF LESS THAN 10%, THE OTHER LAYER BEING A LAYER OF ONE OTHER SYNTHETIC THERMO-PLASTIC POLYMER.
Inventors
- 👤 E Zuscik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:23
CPC Classifications
B; B29; B29C; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29C48/09; B29C48/10; B29C48/14; B29C48/147; B29C48/1472; B29C48/16; B29C48/18; B29C48/21; B29C48/25; B29C48/30; B29C48/305; B29C48/307; B29C48/32; B29C48/335; B32; B32B; B32B27/00; B32B27/06; B32B27/08; B32B27/30; B32B27/306; B32B27/32; B32B27/34; B32B27/36; B29C2791/00; B29C2791/004; B29C2791/007; B32B2307/00; B32B2307/40; B32B2307/408; B32B2323/00; B32B2323/04; B32B2323/10; B32B2331/00; B32B2331/04; B32B2367/00; B32B2377/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A COMPOSITE FILM HAVING AN OVERALL THICKNESS OF BETWEEN ABOUT 0.75 AND ABOUT 10 MILS AND COMPRISING TWO COEXTRUDED LAYERS, ONE LAYER BEING AN OUTER LAYER OF A ETHYLENE-PROPLYENE BLOCK COMPOLYMER HAVING AN ETHYLENE CONTENT OF FROM 3 TO ABOUT 25% BY WEIGHT OF THE COPOLYMER, SAID OUTER LAYER HAVING A THICKNESS BETWEEN ABOUT 0.02 AND ABOUT MIL AND A NON-EMBOSSED MATTE SURFACE HAVING A SURFACE GLOSS OF LESS THAN 10%, THE OTHER LAYER BEING A LAYER OF ONE OTHER SYNTHETIC THERMO-PLASTIC POLYMER.
Claim 2
Dependent Claim
83 words
A COMPOSITE FILM HAVING AN OVERALL THICKNESS OF BETWEEN ABOUT 0.75 AND ABOUT 10 MILS AND COMPRISING TWO COEXTRUDED LAYERS, ONE LAYER BEING AN OUTER LAYER OF A ETHYLENE-PROPLYENE BLOCK COMPOLYMER HAVING AN ETHYLENE CONTENT OF FROM 3 TO ABOUT 25% BY WEIGHT OF THE COPOLYMER, SAID OUTER LAYER HAVING A THICKNESS BETWEEN ABOUT 0.02 AND ABOUT MIL AND A NON-EMBOSSED MATTE SURFACE HAVING A SURFACE GLOSS OF LESS THAN 10%, THE OTHER LAYER BEING A LAYER OF ONE OTHER SYNTHETIC THERMO-PLASTIC POLYMER.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |