US3686046A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing a needle punched non-cellular backed carpet
Assignee: Individual
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Filing: 1969-10-30
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Granted: 1972-08-22
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Expires: 1989-10-30
Abstract
Abstract AN IMPROVED NEEDLE-PUNCHED NON-WOVEN CELLULAR BACKED LAMINATE SUCH AS A CARPET BY GARNETTING OVERLAPPING LAYERS OF NON-WOVEN FIBERS ONTO A BLOWABLE THERMOPLASTIC SHEET MATERIAL; COMPRESSING THENON-WOVEN FIBERS TO A DESIRED DENSITY AND THICKNESS ON THE SHEET MATERIAL; NEEDLE PUNCHING THE NON-WOVEN FIBERS DIRECTLY INTO THE BLOWABLE THERMOPLASTIC SHEET MATERIAL; AND HEATING THE NEEDLE-PUNCHED SHEET LAMANATE TO FORM A THERMOPLASTIC CELLULAR SHEET MATERIAL WITH A COVERING OF NEEDLE-PUNCHED NON-WOVEN FIBERS SECURED TO THE CELLULAR SHEET.
Inventors
- 👤 Richard P Crowley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:52
CPC Classifications
B; B32; B32B; B32B5/00; B32B5/02; B32B5/06; D; D04; D04H; D04H1/00; D04H1/40; D04H1/44; D04H1/46; D04H1/48; B32B27/00; B32B27/06; B32B27/065; B32B27/12; B32B5/22; B32B5/24; B32B5/245; B32B5/26; B32B2471/00; B32B2471/02; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1052; Y10T156/1089; Y10T156/109
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) | 1975-08-22 | 1976-02-21 | 1976-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-22 | 1980-02-21 | 1980-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-22 | 1984-02-21 | 1984-08-22 | $7700.00 | Window Closed / Lapsed |