US3573147A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic turf products having variable blade widths
Assignee: Astroturf Industries Inc
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Filing: 1968-01-24
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Granted: 1971-03-30
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Expires: 1988-01-24
Abstract
Abstract RANDOM DISCONTINUOUS SLITS CUT IN MONOFILAMENT RIBBONS BEFORE WEAVING, KNITTING, TUFTING, OR OTHERWISE BINDING PROVIDE IN A FINISHED SYNTHETIC TURF PRODUCT, RANDOM VARIABLE BLADE WIDTHS WITH PHYSICAL CHARACTERISTICS AND APPEARANCE SIMILAR TO THAT OF NATURAL GRASS.
Inventors
- 👤 Donald L Elbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 10:37
CPC Classifications
E; E01; E01C; E01C13/00; E01C13/08; A; A41; A41G; A41G1/00; A41G1/009; D; D03; D03D; D03D25/00; D05; D05C; D05C17/00; D05C17/02
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) | 1974-03-29 | 1974-09-28 | 1975-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-03-29 | 1978-09-28 | 1979-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-03-29 | 1982-09-28 | 1983-03-30 | $7700.00 | Window Closed / Lapsed |