US3725172A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for producing laminates
Assignee: Beazer East Inc
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Filing: 1971-10-27
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Granted: 1973-04-03
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Expires: 1991-10-27
Abstract
Abstract THE METHOD FOR PRODUCING CONTINUOUS LENGTHS OF LAMINATES INCLUDES FORMING A PLURALITY OF APERTURES IN A SUBSTRATE AND INSERTING HEAT CURABLE PLASTIC MATERIAL IN THE APERTURESS, THEREAFTER, LAMINAE OF HEAT CURABLE PLASTIC MATERIAL ARE APPLIED TO OPPOSITE SURFACES OF THE SUBSTRATE AND IN CONTACT WITH THE PLASTIC MATERIAL IN THE APPERTURES. THE FORMED LAMINATE IS MOVED INTO A PRESS WHERE HEAT AND PRESSURE ARE APPLIED TO CURE THE PLASTIC MATERIAL, AND THEN A CUT OFF SAW SEVERS THE CONTINUOUS LENGTH OF LAMINATE INTO DISCRETE LENGTHS.
Inventors
- 👤 D Thrash
- 👤 F Fekete
- 👤 L Pulman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:31
CPC Classifications
B; B32; B32B; B32B21/00; B32B21/04; B32B21/08; B27; B27D; B27D1/00; B32B27/00; B32B27/36; B32B3/00; B32B3/26; B32B3/266; B32B37/00; B32B37/14; B32B37/16; B32B37/20; B32B37/203; B32B37/206; B32B38/00; B32B38/04; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1056; Y10T156/1062
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) | 1976-04-02 | 1976-10-02 | 1977-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-04-02 | 1980-10-02 | 1981-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-04-02 | 1984-10-02 | 1985-04-03 | $7700.00 | Window Closed / Lapsed |