US3048511A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyvinyl alcohol complex film
Assignee: Individual
•
Filing: 1959-01-05
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Granted: 1962-08-07
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Expires: 1979-01-05
Abstract
No abstract record available.
Inventors
- 👤 Jay F Strawinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 03:18
CPC Classifications
B; B32; B32B; B32B7/00; B29; B29C; B29C55/00; B29C55/02; B29C55/04; B29C55/06; B29C55/065; B29C55/10; B29C55/12; B29C55/14; B29C55/143; C; C08; C08L; C08L29/00; C08L29/02; C08L29/04; B29K; B29K2029/00; B29K2029/04; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31895
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
84 words
LAMINATED SHEET MATERIAL COMPRISING AN INTEGRAL WEB OF POLYVINYL ALCOHOL FILM WHICH HAS BEEN STRETCHED A PLURALITY OF TIMES ITS ORIGINAL DIMEMSIONS IN AT LEAST ONE DIRECTION IN AN AQUEOUS SOLUTION CONTAINING SMALL QUANTITIES OF A METALLIC LACTATE AND GLYCERINE AND IN WHICH THE ENGAGEMENT OF THE WEB IS RETAINED HAVING IN DIRECT ADHERENT ENGAGEMENT WITH AT LEAST ONE FACE THEREOF A PAPER LAMINATION, SAID MATERIAL BEING CAPABLE OF FOLDING CREASING AND HANDLING WITHOUT RUPTURE OF THE FILM AND LOSS OF ITS BARRIER CHARACTERISTICS.
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) | 1965-08-06 | 1966-02-05 | 1966-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-06 | 1970-02-05 | 1970-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-06 | 1974-02-05 | 1974-08-07 | $7700.00 | Window Closed / Lapsed |