Patent US3310422A successfully refreshed from Google Patents.
US3310422A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Smooth wear-resistant resilient floor covering and method of making same
Assignee: Congoleum Industries Inc
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Filing: 1965-07-16
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Granted: 1967-03-21
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Expires: 1985-07-16
Abstract
No abstract record available.
Inventors
- 👤 Robert K Petry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:09
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0007; D06N7/0013; B; B32; B32B; B32B27/00; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24628; Y10T428/24736; Y10T428/24802; Y10T428/24942; Y10T428/2495; Y10T428/24967; Y10T428/249921; Y10T428/249953; Y10T428/249987; Y10T428/249988; Y10T428/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
197 words
A METHOD OF PRODUCING A RESILIENT DECORATIVE SURFACE COVERING HAVING A SMOOTH, CONTINOUS RESINOUS UPPER LAYER OF UNIFORM THICKNESS SUBSTANTIALLY FREE OF ANY CELLULAR STRUCTURE BONDED TO A RESILIENT FOAM LAYER WHICH COMPRISES APPLYING A UNIFORM FIRST COATING OF A THERMOPLASTIC VINYL RESINOUS COMPOSITION CONTAINING AN EFFECTIVE AMOUNT OF A DECOMPOSABLE BLOWING AGENT TO A SMOOTH SURFACE OF A FIBRUOUS FELT BACKING SHEET HAVING A THICKNESS OF AT LEAST 0.010 INCH, HEATING TO GEL SAID FIRST COATING WITHOUT DECOMPSOING THE BLOWING AGENT, APPLYING A UNIFORM SECOND COATING OF A THERMOPLASTIC VINYL RESINOUS COMPOSITION OF AT LEAST 0.003 INCH IN THICKNESS TO COVER SAID FIRST COATING, SAID SECOND COATING HAVING A FUSION TEMPERATURE NOT LOWER THAN THE FUSION TEMPERATURE OF SAID FIRST COATING AND HAVING A TENSILE STRENGTH OF AT LEAST ONE POUND PER SQUARE INCH AT THE DECOMPOSITION TEMPERATURE OF SAID BLOWING AGENT AND SAID BLOWING AGENT DECOMPSES AT A TEMPERATURE ABOVE THE FUSION TEMPERATURE OF THE SECOND COATING COMPOSITION, HEATING SAID FIRST AND SECOND COATINGS TO FUES THE RESIN COMPOSITION IN THE SECOND COATING, THEN CONTINUING THE HEATING TO DECOMPOSE THE BLOWING AGENT AND FUSE SAID FIRST COATING, AND THEREAFTER COOLING THE SURFACE COVERING THUS PRODUCED.
Claim 2
Independent Claim
197 words
A METHOD OF PRODUCING A RESILIENT DECORATIVE SURFACE COVERING HAVING A SMOOTH, CONTINOUS RESINOUS UPPER LAYER OF UNIFORM THICKNESS SUBSTANTIALLY FREE OF ANY CELLULAR STRUCTURE BONDED TO A RESILIENT FOAM LAYER WHICH COMPRISES APPLYING A UNIFORM FIRST COATING OF A THERMOPLASTIC VINYL RESINOUS COMPOSITION CONTAINING AN EFFECTIVE AMOUNT OF A DECOMPOSABLE BLOWING AGENT TO A SMOOTH SURFACE OF A FIBRUOUS FELT BACKING SHEET HAVING A THICKNESS OF AT LEAST 0.010 INCH, HEATING TO GEL SAID FIRST COATING WITHOUT DECOMPSOING THE BLOWING AGENT, APPLYING A UNIFORM SECOND COATING OF A THERMOPLASTIC VINYL RESINOUS COMPOSITION OF AT LEAST 0.003 INCH IN THICKNESS TO COVER SAID FIRST COATING, SAID SECOND COATING HAVING A FUSION TEMPERATURE NOT LOWER THAN THE FUSION TEMPERATURE OF SAID FIRST COATING AND HAVING A TENSILE STRENGTH OF AT LEAST ONE POUND PER SQUARE INCH AT THE DECOMPOSITION TEMPERATURE OF SAID BLOWING AGENT AND SAID BLOWING AGENT DECOMPSES AT A TEMPERATURE ABOVE THE FUSION TEMPERATURE OF THE SECOND COATING COMPOSITION, HEATING SAID FIRST AND SECOND COATINGS TO FUES THE RESIN COMPOSITION IN THE SECOND COATING, THEN CONTINUING THE HEATING TO DECOMPOSE THE BLOWING AGENT AND FUSE SAID FIRST COATING, AND THEREAFTER COOLING THE SURFACE COVERING THUS PRODUCED.
References Cited (Backward Citations)
US2837440A
Cited
US2918702A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-03-20 | 1970-09-19 | 1971-03-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-03-20 | 1974-09-19 | 1975-03-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-03-20 | 1978-09-19 | 1979-03-21 | $7700.00 | Window Closed / Lapsed |