Patent US2950221A successfully refreshed from Google Patents.
US2950221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing foam backed carpet, and product
Assignee: Collins and Aikman Corp
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Filing: 1956-12-21
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Granted: 1960-08-23
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Expires: 1976-12-21
Abstract
No abstract record available.
Inventors
- 👤 Bauer Jackson
- 👤 Campbell Clarence
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:53
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0063; D06N7/0071; D06N7/0073; B; B29; B29C; B29C44/00; B29C44/20; B29C44/30; B29C44/32; B29C44/321; B29C65/00; B29C65/48; B29C65/78; B29C65/7858; B29C65/7888; B29C65/7894; B29C66/00; B29C66/70; B29C66/72; B29C66/727; B29C66/80; B29C66/83; B29C66/834; B29C66/8341; B29C66/83431; D06N7/0086; B29C66/71; B29C66/721; B29C66/7214; B29C66/72143; B29C66/729; D06N2203/00; D06N2203/02; D06N2203/04; D06N2203/045; D06N2203/06; D06N2203/068; D06N2205/00; D06N2205/04; D06N2205/20; D06N2209/00; D06N2209/16; D06N2209/1685; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1039; Y10T156/1041; Y10T428/00; Y10T428/23907; Y10T428/23979; Y10T428/24; Y10T428/24479; Y10T428/24488; Y10T428/24496; Y10T428/24777; Y10T428/24793; Y10T428/249921; Y10T428/249953; Y10T428/249961
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
IN A METHOD OF MAKING FOAM BACKED CARPET HAVING A SUBSTANTIALLY UNIFORM THICKNESS, THE STEPS WHICH COMPRISE APPLYING FOAM TO THE BACK OF THE CARPET FABRIC, DISTRIBUTING SAID FOAM ALONG THE EDGES OF THE CARPET FABRIC AND THE INTERVENING BODY PORTION AS WELL, MAINTAINING SAID FABRIC BODY PORTION ESSENTIALLY FLAT AND LEVELLLING OFF THE SURFACE OF THE FOAM ABOUT SAID BODY PORTION IN A PLANE PARALLEL TO THE PLANE OF THE CARPET, BUILDING UP THE FOAM ALONG SAID EDGES IN THE FORM A WEDGE HAVING A THICKNESS GREATER THAN THE THICKNESS OF SAID BODY PORTION, GELLING THE FOAM EDGE AND BODY PORTIONS IN THIS RELATION, COMPRESSING THE GELLED WEDGE-SHAPED EDGE PORTIONS TO ABOUT THE THICKNESS OF SAID BODY PORTION, AND CURING THE PRODUCT.
Claim 2
Dependent Claim
123 words
IN A METHOD OF MAKING FOAM BACKED CARPET HAVING A SUBSTANTIALLY UNIFORM THICKNESS, THE STEPS WHICH COMPRISE APPLYING FOAM TO THE BACK OF THE CARPET FABRIC, DISTRIBUTING SAID FOAM ALONG THE EDGES OF THE CARPET FABRIC AND THE INTERVENING BODY PORTION AS WELL, MAINTAINING SAID FABRIC BODY PORTION ESSENTIALLY FLAT AND LEVELLLING OFF THE SURFACE OF THE FOAM ABOUT SAID BODY PORTION IN A PLANE PARALLEL TO THE PLANE OF THE CARPET, BUILDING UP THE FOAM ALONG SAID EDGES IN THE FORM A WEDGE HAVING A THICKNESS GREATER THAN THE THICKNESS OF SAID BODY PORTION, GELLING THE FOAM EDGE AND BODY PORTIONS IN THIS RELATION, COMPRESSING THE GELLED WEDGE-SHAPED EDGE PORTIONS TO ABOUT THE THICKNESS OF SAID BODY PORTION, AND CURING THE PRODUCT.
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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) | 1963-08-23 | 1964-02-22 | 1964-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-23 | 1968-02-22 | 1968-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-23 | 1972-02-22 | 1972-08-23 | $7700.00 | Window Closed / Lapsed |