Patent US3090200A successfully refreshed from Google Patents.
Patent US3194725A successfully refreshed from Google Patents.
US3194725A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminate
Assignee: Wyeth Holdings LLC
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Filing: 1963-09-23
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Granted: 1965-07-13
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Expires: 1983-09-23
Abstract
No abstract record available.
Inventors
- 👤 Pounds Lewis Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 18:26
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A HIGH IMPACT STRENGTH, COMBUSTION RESISTANT SELFEXTINGUISHING UNITARY HEAT- AND PRESSURE-CONSOLIDATED LAMINATED ARTICLE COMPRISING (I) A RIGIDITY-IMPARTING HIGH IMPACT VINYL CHLORIDE POLYMER SUBSTRATE OF FROM ABOUT 40 TO 250 MILS IN THICKNESS, (II) A HIGHLY PLASTICIZED VINYL CHLORIDE POLYMER INTERLAYER OF FROM ABOUT 2 TO 25 MILS IN THICKNESS, AND (III) A POLYLMETHYLMETHACRYLATE OVERLAY SHEET OF FROM ABOUT 1 TO 15 MILS IN THICKNESS, THE RATIO OF THICKNESS BETWEEN (I) AND (III) BEING AT LEAST 4:1, RESPECTIVELY.
Claim 2
Dependent Claim
77 words
A HIGH IMPACT STRENGTH, COMBUSTION RESISTANT SELFEXTINGUISHING UNITARY HEAT- AND PRESSURE-CONSOLIDATED LAMINATED ARTICLE COMPRISING (I) A RIGIDITY-IMPARTING HIGH IMPACT VINYL CHLORIDE POLYMER SUBSTRATE OF FROM ABOUT 40 TO 250 MILS IN THICKNESS, (II) A HIGHLY PLASTICIZED VINYL CHLORIDE POLYMER INTERLAYER OF FROM ABOUT 2 TO 25 MILS IN THICKNESS, AND (III) A POLYLMETHYLMETHACRYLATE OVERLAY SHEET OF FROM ABOUT 1 TO 15 MILS IN THICKNESS, THE RATIO OF THICKNESS BETWEEN (I) AND (III) BEING AT LEAST 4:1, RESPECTIVELY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-12 | 1969-01-11 | 1969-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-12 | 1973-01-11 | 1973-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-12 | 1977-01-11 | 1977-07-13 | $7700.00 | Window Closed / Lapsed |