US2867560A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making laminated sheet material
Assignee: Individual
•
Filing: 1954-01-11
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Granted: 1959-01-06
•
Expires: 1974-01-11
Abstract
No abstract record available.
Inventors
- 👤 Jay F Strawinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 09:11
CPC Classifications
B; B32; B32B; B32B27/00; Y; Y10; Y10S; Y10S428/00; Y10S428/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
THE METHOD OF MAKING LAMINATED SHEET MATERIAL HAVING AN UNINTERRUPTED INTERIOR LAYER OF POLYVINYL ALCOHOL FILM AND EXTERIOR LAYERS OF THIN SHEET MATERIAL IN DIRECT ENGAGEMENT WITH THE FACES OF SAID INTERIOR LAYER WHICH COMPRISES, PRIOR TO THE APPLICATION OF THE EXTERIOR LAYERS TO THE INTERIOR LAYER, INCREASING THE AREA OF THE POLYVINYL ALCOHOL FILM BY FIRST MOISTENING THE FILM AND THEN STRETCHING THE FILM IN A PLURALITY OF DIRECTIONS IN A WATER VAPOR SATURATED ATMOSPHERE.
Claim 2
Independent Claim
76 words
THE METHOD OF MAKING LAMINATED SHEET MATERIAL HAVING AN UNINTERRUPTED INTERIOR LAYER OF POLYVINYL ALCOHOL FILM AND EXTERIOR LAYERS OF THIN SHEET MATERIAL IN DIRECT ENGAGEMENT WITH THE FACES OF SAID INTERIOR LAYER WHICH COMPRISES, PRIOR TO THE APPLICATION OF THE EXTERIOR LAYERS TO THE INTERIOR LAYER, INCREASING THE AREA OF THE POLYVINYL ALCOHOL FILM BY FIRST MOISTENING THE FILM AND THEN STRETCHING THE FILM IN A PLURALITY OF DIRECTIONS IN A WATER VAPOR SATURATED ATMOSPHERE.
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) | 1962-01-05 | 1962-07-07 | 1963-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-05 | 1966-07-07 | 1967-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-05 | 1970-07-07 | 1971-01-06 | $7700.00 | Window Closed / Lapsed |