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US3732348A
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Method for the production of a strip of laminate material from a material capable of being heat formed
Assignee: Sobrefina SA
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Filing: 1969-05-12
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Granted: 1973-05-08
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Expires: 1989-05-12
Abstract
Abstract A METHOD FOR PRODUCING LAMINATED STRIP MATERIAL BY APPLYING AT LEAST ONE LAYER OF A POLYMER TO A DIFFERENT BASE POLYMER LAYER AND HEATING THE COMPOSITE LAYERS TO SINTER THE LAYERS TOGETHER, THE HEATED COMPOSITE LAYER BEING CAPABLE OF BEING FORMED INTO OBJECTS.
Inventors
- 👤 R Ignell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:24
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/02; B29C48/00; B29C48/03; B29C48/07; B29C48/08; B29K; B29K2027/00; B29K2027/06; B29K2027/08; B29L; B29L2031/00; B29L2031/712; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855; Y10T428/31909; Y10T428/31913; Y10T428/3192
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-07 | 1976-11-06 | 1977-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-07 | 1980-11-06 | 1981-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-07 | 1984-11-06 | 1985-05-08 | $7700.00 | Window Closed / Lapsed |