US3602944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for the manufacture of synthetic leather
Assignee: Licencia Talalmanyokat Ertekesito Vallalat
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Filing: 1970-01-28
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Granted: 1971-09-07
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Expires: 1990-01-28
Abstract
Abstract An apparatus for the manufacture of synthetic leather by forming a superficial film layer from the surface of a fiber layer comprising thermoplastic fibers or from a thermoplastic powder or granulate applied onto a carrier or fiber layer. The apparatus comprises a feed and tensioning unit, a support roller, a heating roller, an endless metal strip guided between the support roller and heating roller, a guiding roller for guiding and tensioning the metal strip, means for cooling the melt, means for cooling the metal strip and the product, and a discharge roller for removing the product.
Inventors
- 👤 Gyorgy Szabo
- 👤 Sandor Toth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 03:04
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/0002; D06N3/0015; D06N3/0086; D06N3/12; D06N3/125
Claims Analysis
Total Claims: 0
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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) | 1974-09-06 | 1975-03-08 | 1975-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-06 | 1979-03-08 | 1979-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-06 | 1983-03-08 | 1983-09-07 | $7700.00 | Window Closed / Lapsed |