Patent US2987103A successfully refreshed from Google Patents.
US2987103A
Expired / Lapsed
US
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Laminated polyvinyl chloride sheets and method of making same
Assignee: Goodyear Tire and Rubber Co
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Filing: 1958-03-06
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Granted: 1961-06-06
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Expires: 1978-03-06
Abstract
No abstract record available.
Inventors
- 👤 Michael A Yakubik
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:45
CPC Classifications
E; E04; E04F; E04F15/00; E04F15/02; E04F15/10; B; B29; B29D; B29D99/00; B29D99/0057; B32; B32B; B32B27/00; D; D06; D06N; D06N7/00; D06N7/0005; B29L; B29L2031/00; B29L2031/30; B29L2031/3005; B29L2031/3017; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/24; Y10T428/24802; Y10T428/24851; Y10T428/24868; Y10T428/24876; Y10T428/24893; Y10T428/24901; Y10T428/31504; Y10T428/31855; Y10T428/31909
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A METHOD OF MAKING A LAMINATED DECORATIVE PLASTIC MATERIAL SUITABLE AS A FLOOR COVERING, COMPRISING FORMING A THIN TRANSPARENT THERMOPLASTIC RESIN FILM, FORMING AT LEAST ONE THERMOPLASTIC OPAQUE BACKING SHEET OF THICKER GAUGE AND LOWER RESIN CONTENT THAN SAID FILM, SAID FILM AND SAID SHEET EACH BEING FORMED ON A CALENDER WHEREBY THE FILM AND SHEET TEND TO CURL IN A DIRECTION TOWARDS THE SIDE THEREOF WHICH WAS ENGAGED BY THE LAST ROLL OF THE CALENDER, SUPERIMPOSING THE SIDE OF SAID FILM WHICH WAS ENGAGED BY THE LAST ROLL OF THE CALENDER AGAINST SAID BACKING SHEET AND APPLYING HEAT AND PRESSURE TO FUSE THE FILM AND SHEET INTO A UNITARY PRODUCT, WHEREBY THE TENDENCY OF THE UNITARY PRODUCT TO CURL DURING USE IS ALLEVIATED.
Claim 2
Independent Claim
124 words
A METHOD OF MAKING A LAMINATED DECORATIVE PLASTIC MATERIAL SUITABLE AS A FLOOR COVERING, COMPRISING FORMING A THIN TRANSPARENT THERMOPLASTIC RESIN FILM, FORMING AT LEAST ONE THERMOPLASTIC OPAQUE BACKING SHEET OF THICKER GAUGE AND LOWER RESIN CONTENT THAN SAID FILM, SAID FILM AND SAID SHEET EACH BEING FORMED ON A CALENDER WHEREBY THE FILM AND SHEET TEND TO CURL IN A DIRECTION TOWARDS THE SIDE THEREOF WHICH WAS ENGAGED BY THE LAST ROLL OF THE CALENDER, SUPERIMPOSING THE SIDE OF SAID FILM WHICH WAS ENGAGED BY THE LAST ROLL OF THE CALENDER AGAINST SAID BACKING SHEET AND APPLYING HEAT AND PRESSURE TO FUSE THE FILM AND SHEET INTO A UNITARY PRODUCT, WHEREBY THE TENDENCY OF THE UNITARY PRODUCT TO CURL DURING USE IS ALLEVIATED.
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) | 1964-06-05 | 1964-12-05 | 1965-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-05 | 1968-12-05 | 1969-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-05 | 1972-12-05 | 1973-06-06 | $7700.00 | Window Closed / Lapsed |