Patent US2670307A successfully refreshed from Google Patents.
US2670307A
Expired / Lapsed
US
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Resilient floor and wall tile and method of preventing objectionable curling thereof
Assignee: Armstrong World Industries Inc
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Filing: 1950-02-24
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Granted: 1954-02-23
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Expires: 1970-02-24
Abstract
No abstract record available.
Inventors
- 👤 Donald W Moore
- 👤 Alonzo H Searl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:56
CPC Classifications
B; B44; B44C; B44C5/00; B44C5/04; Y; Y10; Y10T; Y10T428/00; Y10T428/16; Y10T428/163; Y10T428/31504; Y10T428/31815
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A METHOD OF PREVENTING OBJECTIONABLE CURLING A MOISTURE-ABSORBENT, RESILIENT FLOOR AND WALL TILES CCOMPOSED OF A COMPOSITION COMPRISING FILLER PARTICLES AND A BINDER OF PLASTICIZED COUMARONEINDENE RESIN, WHICH TILES TEND TO CURL WHEN SUBJECTED TO CONTACT WITH MOSITURE ON THE BACK SURFACE THEREOF AND CURL OBJECTIONABLY WHEN THEY ARE INSTALLED AND COME INTO CONTACT WITH MOISTURE ON THE BACK SURFACE, COMPRISING PROVIDING FLAT TILES OF SAID COMPOSITION FREE OF OBJECTIONABLE CURLING, COATING THE BACK SURFACE OF THE TILES WITH A SOLUTION OF COUMARONE-INDENE RESIN IN A SOLVENT WHICH HAS A SOLVENT ACTION ON THE COUMARONEINDENE RESIN BINDER FOR THE TILES, AND DRYING THE COATING TO PROVIDE A WATER-IMPERVIOUS COUMARONE-INDENE RESIN FILM ON THE BACK SURFACE OF THE TILES AND PENETRATING BELOW THE SURFACE THEREOF, WHEREBY OBJECTIONABLE CURLING OF THE TILES WILL BE PREVENTED UPON CONTACT WITH MOISTURE ON THE BACK SURFACE.
Claim 2
Independent Claim
141 words
A METHOD OF PREVENTING OBJECTIONABLE CURLING A MOISTURE-ABSORBENT, RESILIENT FLOOR AND WALL TILES CCOMPOSED OF A COMPOSITION COMPRISING FILLER PARTICLES AND A BINDER OF PLASTICIZED COUMARONEINDENE RESIN, WHICH TILES TEND TO CURL WHEN SUBJECTED TO CONTACT WITH MOSITURE ON THE BACK SURFACE THEREOF AND CURL OBJECTIONABLY WHEN THEY ARE INSTALLED AND COME INTO CONTACT WITH MOISTURE ON THE BACK SURFACE, COMPRISING PROVIDING FLAT TILES OF SAID COMPOSITION FREE OF OBJECTIONABLE CURLING, COATING THE BACK SURFACE OF THE TILES WITH A SOLUTION OF COUMARONE-INDENE RESIN IN A SOLVENT WHICH HAS A SOLVENT ACTION ON THE COUMARONEINDENE RESIN BINDER FOR THE TILES, AND DRYING THE COATING TO PROVIDE A WATER-IMPERVIOUS COUMARONE-INDENE RESIN FILM ON THE BACK SURFACE OF THE TILES AND PENETRATING BELOW THE SURFACE THEREOF, WHEREBY OBJECTIONABLE CURLING OF THE TILES WILL BE PREVENTED UPON CONTACT WITH MOISTURE ON THE BACK SURFACE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-22 | 1957-08-24 | 1958-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-22 | 1961-08-24 | 1962-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-22 | 1965-08-24 | 1966-02-23 | $7700.00 | Window Closed / Lapsed |