US2813052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite moisture-proof plasticized fabric and method of making the same
Assignee: Plastic Film Corp
•
Filing: 1952-02-11
•
Granted: 1957-11-12
•
Expires: 1972-02-11
Abstract
No abstract record available.
Inventors
- 👤 Talbot A Lancaster
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 07:15
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/0086; D06N3/0095; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/24868; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31924; Y10T428/31928
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
107 words
THE METHOD OF MAKING A WATER-PROOF FABRIC, WHICH COMPRISES APPLYING TO A BACKING MEMBER PERMANENTLY BONDED SUCCESSIVE COACTING OF FILM-FORMING RESIN, DRYING AND SOLIDIFYING ONE COATING BEFORE APPLYING THE NEXT COATING, APPLYING THE NORMALLY POROUS FABRIC ON THE SECOND COATING WHILE THE LATTER ALONE IS STILL VISCOUS TO IMBED ONLY ONE SIDE OF THE FABRIC IN THE SECOND COATING AND THEREBY TO FORM A CONTINUOUS PORE-SEALING LAYER WITHOUT SUBSTANTIAL SURFACE DISTORTION OF SAID DRIED COATING, THEN HEATING THE SECOND COATING TO FORM A UNITARY NON-POROUS COMPOSITE ARTICLE COMPRISED OF THE FABRIC AND BOTH COATINGS WHILE MAINTAINING A READILY STRIPPABLE ADHESIVE AFFINITY WITH RESPECT TO THE BACKING MEMBER.
Claim 2
Independent Claim
107 words
THE METHOD OF MAKING A WATER-PROOF FABRIC, WHICH COMPRISES APPLYING TO A BACKING MEMBER PERMANENTLY BONDED SUCCESSIVE COACTING OF FILM-FORMING RESIN, DRYING AND SOLIDIFYING ONE COATING BEFORE APPLYING THE NEXT COATING, APPLYING THE NORMALLY POROUS FABRIC ON THE SECOND COATING WHILE THE LATTER ALONE IS STILL VISCOUS TO IMBED ONLY ONE SIDE OF THE FABRIC IN THE SECOND COATING AND THEREBY TO FORM A CONTINUOUS PORE-SEALING LAYER WITHOUT SUBSTANTIAL SURFACE DISTORTION OF SAID DRIED COATING, THEN HEATING THE SECOND COATING TO FORM A UNITARY NON-POROUS COMPOSITE ARTICLE COMPRISED OF THE FABRIC AND BOTH COATINGS WHILE MAINTAINING A READILY STRIPPABLE ADHESIVE AFFINITY WITH RESPECT TO THE BACKING MEMBER.
Claim 3
Dependent Claim
87 words
A WATER-PROOF FABRIC COMPRISING A BODY SECTION OF OPEN-WORK MATERIAL HAVING RAISED PORTIONS OVER ITS SURFACE FORMED BY THE FABRIC STRANDS, AN INTEMEDDIATE VINYL FILM BONDED TO SAID RIDGES WHEREBY SAID FILM IS SUBSTANTIALLY FLAT EXCEPT AT LIMITED REGIONS WHERE IT IS ENGAGED BY SAID RAISED PORTIONS, SAID INTERMEDIATE FILM HAVING SUBSTANTIALLY NEGLIGIBLE INTER-PENETRATION OF THE PORES OF SAID FABRIC, AND AN OUTER VINYL FILM INTEGRALLY BONDED AS A UNIT TO SAID INTERMEDIATE FILM, SAID OUTER FILM BEING SUBSTANTIALLY ENTIRELY FREE FROM PROTRUDING FIBERS OF SAID FABRIC.
Claim 4
Dependent Claim
87 words
A WATER-PROOF FABRIC COMPRISING A BODY SECTION OF OPEN-WORK MATERIAL HAVING RAISED PORTIONS OVER ITS SURFACE FORMED BY THE FABRIC STRANDS, AN INTEMEDDIATE VINYL FILM BONDED TO SAID RIDGES WHEREBY SAID FILM IS SUBSTANTIALLY FLAT EXCEPT AT LIMITED REGIONS WHERE IT IS ENGAGED BY SAID RAISED PORTIONS, SAID INTERMEDIATE FILM HAVING SUBSTANTIALLY NEGLIGIBLE INTER-PENETRATION OF THE PORES OF SAID FABRIC, AND AN OUTER VINYL FILM INTEGRALLY BONDED AS A UNIT TO SAID INTERMEDIATE FILM, SAID OUTER FILM BEING SUBSTANTIALLY ENTIRELY FREE FROM PROTRUDING FIBERS OF SAID FABRIC.
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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) | 1960-11-11 | 1961-05-13 | 1961-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-11-11 | 1965-05-13 | 1965-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-11-11 | 1969-05-13 | 1969-11-12 | $7700.00 | Window Closed / Lapsed |