US3862880A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminate for refrigeration apparatus, refrigerator and method of forming same
Assignee: Sidaplax
•
Filing: 1973-08-10
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Granted: 1975-01-28
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Expires: 1993-08-10
Abstract
Abstract A laminate especially useful in refrigeration applications which includes a sheet of rubber-modified polystyrene, a film of rubber-modified copolymer of styrene and acrylonitrile acting as a buffer and in contact with a sheet of polyurethane foam. A refrigeration cabinet and method of forming same utilizing such laminate are likewise disclosed.
Inventors
- 👤 Peter Blandford Feldman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:56
CPC Classifications
B; B32; B32B; B32B27/00; B32B27/06; B32B27/065; B32B27/08; B32B27/16; B32B27/30; B32B27/302; B32B38/00; B32B38/0008; B32B5/00; B32B5/18; F; F25; F25D; F25D23/00; F25D23/06; F25D23/062; F25D23/064; F25D23/065; F25D23/066; B32B38/0012; B32B2038/002; B32B2266/00; B32B2266/02; B32B2266/0214; B32B2266/0278; B32B2305/00; B32B2305/02; B32B2305/022; B32B2307/00; B32B2307/50; B32B2307/514; B32B2307/518; B32B2309/00; B32B2309/02; B32B2310/00; B32B2310/08; B32B2310/0806; B32B2310/0825; B32B2310/14; B32B2325/00; B32B2355/00; B32B2355/02; B32B2509/00; B32B2509/10; B32B37/00; B32B37/14; B32B37/15; B32B37/153; Y; Y10; Y10S; Y10S428/00; Y10S428/90; Y10S428/91; Y10T; Y10T428/00; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249991; Y10T428/249992; Y10T428/249993; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31928
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
42 words
A LAMINATE COMPRISING A BIAXIALLY ORIENTED FILM OF A RUBBER MODIFIED COPOLYMER OF STYRENE AND ACRYLONITRILLE SANDWHICHED BETWEEN AND BONDED TO A SHEET OF RUBBER-MODIFIED POLYSTYRENE WHICH INCLUDES FROM 2 TO 20 WEIGHT PERCENT RUBBER THEREIN, AND A SHEET OF POLYURETHANE FOAM.
Claim 2
Dependent Claim
42 words
A LAMINATE COMPRISING A BIAXIALLY ORIENTED FILM OF A RUBBER MODIFIED COPOLYMER OF STYRENE AND ACRYLONITRILLE SANDWHICHED BETWEEN AND BONDED TO A SHEET OF RUBBER-MODIFIED POLYSTYRENE WHICH INCLUDES FROM 2 TO 20 WEIGHT PERCENT RUBBER THEREIN, AND A SHEET OF POLYURETHANE FOAM.
Claim 3
Dependent Claim
29 words
The laminate claim 1 wherein the orientation level of the biaxially oriented film is between 25 to 550 lbs. per sqaure inch in both the longitudinal and transverse directions.
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) | 1978-01-27 | 1978-07-29 | 1979-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-27 | 1982-07-29 | 1983-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-27 | 1986-07-29 | 1987-01-28 | $7700.00 | Window Closed / Lapsed |