US3761338A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Texturizing film for the manufacture of high pressure laminates
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1971-09-08
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Granted: 1973-09-25
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Expires: 1991-09-08
Abstract
Abstract A HIGH PRESSURE LAMINATE HAVING A TEXTURED AND/OR EMBOSSED SURFACE IS PRODUCED USING AS THE EMBOSSING LAYER A THERMOPLASTIC FILM HAVING A NEGATIVE REPRODUCTION OF THE TEXTURE AND/OR EMBOSSING TO BE PRODUCED ON THE HIGH PRESSURE LAMINATE. SUCH THREMOPLASTIC FILM IS THIN, INEXPENSIVE AND IS DISCARDED AFTER A SINGLE USAGE. THE THERMOPLASTIC MATERIAL HAS A HEAT DEFLECTION POINT BELOW THAT AT WHICH THE HIGH PRESSURE LAMINATION IS CARRIED OUT.
Inventors
- 👤 I Ungar
- 👤 H Scher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 22:37
CPC Classifications
B; B44; B44C; B44C3/00; B44C3/08; B44C3/085; B44C5/00; B44C5/04; B44C5/0469; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1023; Y10T156/1039; Y10T156/1041; Y10T428/00; Y10T428/31
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-24 | 1977-03-26 | 1977-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-24 | 1981-03-26 | 1981-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-24 | 1985-03-26 | 1985-09-25 | $7700.00 | Window Closed / Lapsed |