US3600261A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame retarding backing for inflammable webs
Assignee: Girmes Werke AG
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Filing: 1968-12-26
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Granted: 1971-08-17
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Expires: 1988-12-26
Abstract
Abstract A BACKING OF MATERIAL HAVING FLAME RETARDANT PROPERTIES IS DISCLOSED. THE NEW BACKING MATERIAL INCLUDES A FOAMED MATERIAL HAVING A FLEECE LAYER COMPOSED OF NONINFLAMMABLE FIBERS JOINED TO ONE SIDE BY NEEDLE LOOMING. THE FLEECE COVERED SURFACE OF THE FOAMED MATERIAL CAN BE ATTACHED TO THE BACK OF AN INFLAMMABLE WEB, SUCH AS PLUSH AND VELOUR FABRICS TO RENDER THEM SUFFICIENTLY RESISTANT TO FIRE AS TO BE READILY MARKETBLE. D R A W I N G
Inventors
- 👤 Bruno Kerres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:27
CPC Classifications
F; F01; F01D; F01D15/00; F01D15/005; B; B32; B32B; B32B23/00; B32B23/02; B32B27/00; B32B27/02; B32B27/12; B32B27/30; B32B27/40; B32B5/00; B32B5/02; B32B5/06; B32B5/08; B32B5/18; B32B5/22; B32B5/24; F01D9/00; F01D9/02; F01D9/04; F01D9/045; F01D9/048; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23914; Y10T428/23943; Y10T428/23979; Y10T428/249921; Y10T428/249953; Y10T428/249962; Y10T428/249964
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) | 1974-08-16 | 1975-02-15 | 1975-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-08-16 | 1979-02-15 | 1979-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-08-16 | 1983-02-15 | 1983-08-17 | $7700.00 | Window Closed / Lapsed |