Patent US1962314A successfully refreshed from Google Patents.
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Patent US2999041A successfully refreshed from Google Patents.
US2999041A
Expired / Lapsed
US
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Reinforced tear-resistant material
Assignee: Griffolyn Co Inc
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Filing: 1957-02-04
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Granted: 1961-09-05
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Expires: 1977-02-04
Abstract
No abstract record available.
Inventors
- 👤 Risto P Lappala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 07:39
CPC Classifications
E; E04; E04C; E04C2/00; E04C2/02; E04C2/10; E04C2/20; E04C2/205; B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24025; Y10T428/24058; Y10T428/24074; Y10T428/24091; Y10T428/24099; Y10T428/249921; Y10T428/249953; Y10T428/249981; Y10T428/249982; Y10T428/249986; Y10T428/249987; Y10T428/249991; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/31917; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
AN ARTICLE COMPRISING TWO FILMS OF NON-ELASTOMERIC FLEXIBLE POLYMERIC SYNTHETIC RESIN CHARACTERIZED BY HAVING AN ELONGATION OF AT LEAST 20% BEFORE TENSILE FAILURE, AT LEAST ONE GRID OF FIBERS INTERPOSED BETWEEN SAID FILMS TO PROVIDE TEAR RESISTANCE, AT LEAST ONE LAYER OF ELASTOMERIC FLEXIBLE POLYMERIC FOAM MATERIAL INTERPOSED BETWEEN SAID FILMS AND ADHERENT THERETO, AND A LAYER OF ADHESIVE BETWEEN EACH OF SAID FILMS AND THE ADJACENT LAYER OF SAID ELASTOMERIC FOAM MATERIAL, SAID GRID OF FIBERS DISPOSED WITHIN A LAYER OF SAID ADHESIVE.
Claim 2
Dependent Claim
84 words
AN ARTICLE COMPRISING TWO FILMS OF NON-ELASTOMERIC FLEXIBLE POLYMERIC SYNTHETIC RESIN CHARACTERIZED BY HAVING AN ELONGATION OF AT LEAST 20% BEFORE TENSILE FAILURE, AT LEAST ONE GRID OF FIBERS INTERPOSED BETWEEN SAID FILMS TO PROVIDE TEAR RESISTANCE, AT LEAST ONE LAYER OF ELASTOMERIC FLEXIBLE POLYMERIC FOAM MATERIAL INTERPOSED BETWEEN SAID FILMS AND ADHERENT THERETO, AND A LAYER OF ADHESIVE BETWEEN EACH OF SAID FILMS AND THE ADJACENT LAYER OF SAID ELASTOMERIC FOAM MATERIAL, SAID GRID OF FIBERS DISPOSED WITHIN A LAYER OF SAID ADHESIVE.
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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) | 1964-09-04 | 1965-03-06 | 1965-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-04 | 1969-03-06 | 1969-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-04 | 1973-03-06 | 1973-09-05 | $7700.00 | Window Closed / Lapsed |