US3778330A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tufted carpet
Assignee: Individual
•
Filing: 1971-12-15
•
Granted: 1973-12-11
•
Expires: 1991-12-15
Abstract
Abstract A process for making a tufted carpet in which cylindrical tufts of pile yarn are inserted in a backing fabric so that long ends project on one side to form a pile, and short ends project on the other side. The filaments of the short ends are splayed apart and fixed to the backing fabric with an adhesive.
Inventors
- 👤 S Shorrock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:23
CPC Classifications
D; D05; D05C; D05C17/00; D05C17/02; Y; Y10; Y10T; Y10T428/00; Y10T428/23907; Y10T428/23986
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) | 1976-12-10 | 1977-06-11 | 1977-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-12-10 | 1981-06-11 | 1981-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-12-10 | 1985-06-11 | 1985-12-11 | $7700.00 | Window Closed / Lapsed |