US3712847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Laminated lamellar laminate
Assignee: Individual
•
Filing: 1970-09-28
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Granted: 1973-01-23
•
Expires: 1990-09-28
Abstract
Abstract A LAMINATE COMPRISING AT LEAST TWO SHEETS OF WHICH AT LEAST ONE IS AN EXTRUDED SHEET IN WHICH AT LEAST TWO DIFFERENT POLYMERIC MATERIALS FORM ALTERNATE REINFORCEMENT AND FILLING LAMELLAR LAYERS EXTENDING FROM SURFACE TO SURFACE OF THE SHEET AT A SO SMALL INCLINATION (BELOW 2*) AS TO FORM A (DIRECTLY EXTRUDED) QASI-LAMINATE, THE REINFORCEMENT LAYERS OF WHICH ARE OF A THINNESS APPROACHING COLLOIDAL DIMENSIONS, THE ADJACENT SHEETS OF SAID LAMINATE HAVING DIFFERENT DIRECTION OF MOLECULAR ORIENTATION.
Inventors
- 👤 O Rasmussen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 03:21
CPC Classifications
D; D01; D01D; D01D5/00; D01D5/42; D01D5/423; B; B29; B29C; B29C48/00; B29C48/022; B29C48/03; B29C48/09; B29C48/10; B29C48/25; B29C48/30; B29C48/32; B29C48/33; B29C67/00; B29C67/0003; B29C70/00; B29C70/02; B29C70/021; B29C70/025; B29C70/04; B29C70/06; B29C70/10; B29C70/12; B29C70/14; B32; B32B; B32B27/00; B29C48/001; B29C48/0018; B29C48/05; B29C48/15; B29K; B29K2025/00; B29K2105/00; B29K2105/04; B29K2105/06; B29K2105/16; B29K2223/00; B29K2223/04; B29K2223/06; B29K2995/00; B29K2995/0037; B29K2995/0041; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/24; Y10T428/24132; Y10T428/24752; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/29; Y10T428/2913; Y10T428/2973; Y10T428/2976
Claims Analysis
Total Claims: 0
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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) | 1976-01-23 | 1976-07-24 | 1977-01-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-23 | 1980-07-24 | 1981-01-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-23 | 1984-07-24 | 1985-01-23 | $7700.00 | Window Closed / Lapsed |