US3000754A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic surface covering having embossed appearance and method of making same
Assignee: Armstrong World Industries Inc
•
Filing: 1959-01-22
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Granted: 1961-09-19
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Expires: 1979-01-22
Abstract
No abstract record available.
Inventors
- 👤 David T Zentmyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:51
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/06; B32; B32B; B32B27/00; C; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06; D; D06; D06N; D06N3/00; D06N3/04; D06N3/06; D06N7/00; D06N7/0005; D06N7/0039; D06N7/0057; C08; C08L; C08L2205/00; C08L2205/02; C08L2205/14; C08L2205/18; C08L27/00; C08L27/02; C08L27/04; C08L27/06; Y; Y10; Y10S; Y10S428/00; Y10S428/91; Y10T; Y10T428/00; Y10T428/24; Y10T428/24802; Y10T428/24893
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
93 words
THE METHOD OF FORMING A SURFACE COVERING MATERIAL HAVING AN EMBOSSED APPEARANCE WHICH COMPRISES DEPOSITKING SEPARATE GRANULES OF AT LEAST TWO POLYMERIZED VINYL CHLORIDE RESINS ONTO A BACKING, AT LEAST ABOUT 5% BY WEIGHT OF THE TOTAL WEIGHT OF SAID SEPARATE GRANULES HAVING A SPECIFIC VISCOSITY DIFFERENY FROM THE SPECIFIC VISCOSITY OF THE BALANCE OF SAID GRANULES BY AT LEAST 0.12, AND SUBJECTING SAID BACKED GRANULES TO HEAT AND PRESSUERE WHEREBY SAID GRANULES FUSE TOGETHER TO FORM A COHERENT DECORATIVE WEARING SURFACE AFFIXED TO SAID BACKING, SAID WEARING SURFACE HAVING AN EMBOSSED APPEARANCE.
References Cited (Backward Citations)
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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) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |