Patent US3598637A successfully refreshed from Google Patents.
US3598637A
Expired / Lapsed
US
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Metal-coated fibrillated products
Assignee: Celanese Corp
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Filing: 1969-01-29
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Granted: 1971-08-10
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Expires: 1989-01-29
Abstract
Abstract LUSTROUS, METAL-COATED, FIBRILLATED PRODUCTS ARE PRODUCED BY EXTRUDING A THERMOPLASTIC POLYMER AND A FOAMING AGENT, ATTENUATING THE FOAMED EXTRUDATE WHILE IN THE MOLTEN STATE TO FIBRILLATE IT, ACTIVATING THE SURFACE OF THE FIBRILATED MATERIAL, AND DEPOSITING A THIN METALLIC COATING ON THE FIBRILLATED MATERIAL. D R A W I N G
Inventors
- 👤 Reiner G Stoll
- 👤 John A Mctaggart
- 👤 Herbert W Keuchel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:29
CPC Classifications
D; D06; D06Q; D06Q1/00; D06Q1/04; D01; D01D; D01D5/00; D01D5/42; D01D5/423; D02; D02G; D02G1/00; D02G1/10; D02G3/00; D02G3/02; D02G3/12; D10; D10B; D10B2321/00; D10B2321/02; D10B2321/022; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/24; Y10T428/24273; Y10T428/24298; Y10T428/24314; Y10T428/24322; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31696
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) | 1974-08-09 | 1975-02-08 | 1975-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-09 | 1979-02-08 | 1979-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-09 | 1983-02-08 | 1983-08-10 | $7700.00 | Window Closed / Lapsed |