US3224894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing decorative surface covering
Assignee: Congoleum Industries Inc
•
Filing: 1961-06-30
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Granted: 1965-12-21
•
Expires: 1981-06-30
Abstract
No abstract record available.
Inventors
- 👤 Leon B Palmer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:34
CPC Classifications
B; B29; B29C; B29C44/00; B29C44/34; B29C44/56; B29C44/5627; B29C44/5636; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24496; Y10T428/24504
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
156 words
A PROCESS FOR PRODUCING A DECORATIVE SURFACE COVERING HAVING A CELLULAR FOAM LAYER AND A TEXTURED SURFACE WHICH COMPRISES APPLYING ON ONE SURFACE OF A BASE SHEET A COATING OF A LIQUID FOAMABLE THERMOPLASTIC RESINOUS COMPOSITION CONTAINING A BLOWING AGENT, GELLING SAID COATING BY HEATING TO AT LEAST THE ELASTOMERIC POINT OF SAID RESINOUS COMPOSITION WITHOUT DECOMPOSING SAID BLOWING AGENT, APPLYING A SECOND COAT OF A LIQUID THERMOPLASTIC RESINOUS COMPOSITION TO THE SURFACE OF SAID GELLED COATING, GELLING SAID SECOND COAT BY HEATING SAID SECOND COAT TO AT LEAST THE ELASTOMERIC POINT OF SAID SECOND COATING COMPOSITION WITHOUT DECOMPOSING SAID BLOWING AGENT, EMBOSSING A DESIGN INTO THE EXPOSED SURFACE OF THE SECOND GELLED COATING TO A DEPTH GREATER THAN THE THICKNESS OF SAID SECOND COATING AND HEATING THE EMBOSSED COATINGS TO COMPLETELY FUSE THE COMPOSITIONS AND DECOMPOSE THE BLOWING AGENT CAUSING THE FOAMABLE COMPOSITION TO FORM A CELLULAR STRUCTURE CONTAINING AN EMBOSSED DESIGN ON ITS SURFACE.
Claim 2
Dependent Claim
156 words
A PROCESS FOR PRODUCING A DECORATIVE SURFACE COVERING HAVING A CELLULAR FOAM LAYER AND A TEXTURED SURFACE WHICH COMPRISES APPLYING ON ONE SURFACE OF A BASE SHEET A COATING OF A LIQUID FOAMABLE THERMOPLASTIC RESINOUS COMPOSITION CONTAINING A BLOWING AGENT, GELLING SAID COATING BY HEATING TO AT LEAST THE ELASTOMERIC POINT OF SAID RESINOUS COMPOSITION WITHOUT DECOMPOSING SAID BLOWING AGENT, APPLYING A SECOND COAT OF A LIQUID THERMOPLASTIC RESINOUS COMPOSITION TO THE SURFACE OF SAID GELLED COATING, GELLING SAID SECOND COAT BY HEATING SAID SECOND COAT TO AT LEAST THE ELASTOMERIC POINT OF SAID SECOND COATING COMPOSITION WITHOUT DECOMPOSING SAID BLOWING AGENT, EMBOSSING A DESIGN INTO THE EXPOSED SURFACE OF THE SECOND GELLED COATING TO A DEPTH GREATER THAN THE THICKNESS OF SAID SECOND COATING AND HEATING THE EMBOSSED COATINGS TO COMPLETELY FUSE THE COMPOSITIONS AND DECOMPOSE THE BLOWING AGENT CAUSING THE FOAMABLE COMPOSITION TO FORM A CELLULAR STRUCTURE CONTAINING AN EMBOSSED DESIGN ON ITS SURFACE.
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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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |