Patent US3170808A successfully refreshed from Google Patents.
US3170808A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of fabricating a tessellated surface covering
Assignee: Armstrong World Industries Inc
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Filing: 1961-08-21
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Granted: 1965-02-23
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Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 Almy Richard
- 👤 David T Zentmyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:18
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0039; D06N7/0057; B; B29; B29C; B29C43/00; B29C43/22; B29C43/30; B29C67/00; B29C67/24; B29C67/242; B29C67/245; B29C70/00; B29C70/58; B32; B32B; B32B27/00; B44; B44C; B44C3/00; B44C3/12; B44C3/123; D06N7/0028; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1089; Y10T156/1092; Y10T428/00; Y10T428/24; Y10T428/24355
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A METHOD OF FORMING A RESILIENT TESSELLATED SURFACE COVERING COMPRISING DEPOSITING UPON A BACKING LAYER A MASS OF TESSERAE OF PLASTICIZED THERMOPLAASTIC VINYL RESIN COMPOSITION, ORIENTING SAID TESSERAE UPON SAID BACKING LAYER AS A SINGLE LAYER OF TESSERAE POSITIONED IN A NONGEOMETRIC PATTERN SUBSTANTIALLY ALL OF WHICH ARE SPACED FROM ADJEACENT TESSERAE ALONG AT LEAST A SUBSTANTIAL PORTION OF THE PERIPHERIES THEREOF, BONDING SAID TESSERAE TO SAID BACKING LAYER IN SPACED POSITION AGAINST MOVEMENT WITH RESPECT TO SAID BACKING LAYER, FILLING THE AREAS BETWEEN SAID TESSERAE WITH A POWDERED PLASTICIZED THERMOPLASTIC VINYL RESIN MATRIX MATERIAL, AND APPLYING HEAT AND PRESSURE TO SAID TESSERATE AND MATRIX MATERIAL ON SAID BACKING LAYER TO FUSE SAID MATRIX POWDER AND JOIN SAID TESSERAE INTO AN INTERGRAL WEARING LAYER.
Claim 2
Independent Claim
124 words
A METHOD OF FORMING A RESILIENT TESSELLATED SURFACE COVERING COMPRISING DEPOSITING UPON A BACKING LAYER A MASS OF TESSERAE OF PLASTICIZED THERMOPLAASTIC VINYL RESIN COMPOSITION, ORIENTING SAID TESSERAE UPON SAID BACKING LAYER AS A SINGLE LAYER OF TESSERAE POSITIONED IN A NONGEOMETRIC PATTERN SUBSTANTIALLY ALL OF WHICH ARE SPACED FROM ADJEACENT TESSERAE ALONG AT LEAST A SUBSTANTIAL PORTION OF THE PERIPHERIES THEREOF, BONDING SAID TESSERAE TO SAID BACKING LAYER IN SPACED POSITION AGAINST MOVEMENT WITH RESPECT TO SAID BACKING LAYER, FILLING THE AREAS BETWEEN SAID TESSERAE WITH A POWDERED PLASTICIZED THERMOPLASTIC VINYL RESIN MATRIX MATERIAL, AND APPLYING HEAT AND PRESSURE TO SAID TESSERATE AND MATRIX MATERIAL ON SAID BACKING LAYER TO FUSE SAID MATRIX POWDER AND JOIN SAID TESSERAE INTO AN INTERGRAL WEARING LAYER.
References Cited (Backward Citations)
US2441492A
Cited
US3012901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |