US2530441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leather substitute
Assignee: Bigelow Sanford Carpet Co Inc
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Filing: 1945-08-03
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Granted: 1950-11-21
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Expires: 1965-08-03
Abstract
No abstract record available.
Inventors
- 👤 Henry A Reinhardt
- 👤 Wayne T Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:16
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/0002; D06N3/0013; Y; Y10; Y10S; Y10S36/00; Y10S36/02; Y10S428/00; Y10S428/904; Y10T; Y10T442/00; Y10T442/10; Y10T442/102; Y10T442/164
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
104 words
A SHEET MATERIAL COMPRISING A HOMOGENEOUS CONTINUOUS BODY OF A COMPRESSED THERMOPLASTIC VINYL CHLORIDE-VINYL ACETATE RESIN AND A PLASTICIZER THEREFOR, A SHET OF AN OPEN-WEAVE WOVEN CLOTH EMBEDDED WITHIN SAID CONTINUOUS BODY OF RESIN, AND A MASS OF INDIVIDUAL REINFORCING UNWOVEN CRIMPED RAYON STAPLE FIBERS 2-6 INCHES LONG AND 10 TO 35 DENIERS IN DIAMETER EXTENDING THROUGH THE OPENINGS THEREOF AND RANDOMLY DISPOSED VERTICALLY AND HORIZONTALLY AND INDIVIDUALLY EMBEDDED IN AND PERMEATING SAID CONTINUOUS BODY OF RESIN AT BOTH SIDES OF THE CLOTH, SAID RESIN CONSTITUTING THE MAJOR PART BY WEIGHT OF SAID SHEET, AND A PIGMENT DISTRIBUTED THROUGH SAID CONTINUOUS BODY OF RESIN.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-20 | 1954-05-22 | 1954-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-20 | 1958-05-22 | 1958-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-20 | 1962-05-22 | 1962-11-21 | $7700.00 | Window Closed / Lapsed |