US3030258A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dry cement composition comprising portland cement, methyl cellulose, and polyvinyl alcohol, and method of installing tile with same
Assignee: Tile Council of America Inc
•
Filing: 1958-05-28
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Granted: 1962-04-17
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Expires: 1978-05-28
Abstract
No abstract record available.
Inventors
- 👤 Herman B Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 14:33
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
83 words
A METHOD OF INSTALLING CERAMIC TILE WHICH COMPRISES PREPARING A MORTAR BY MIXING WATER WITH A DRY COMPOSITION COMPRISING, BASED UPON THE WEIGHT OF THE DRY COMPOSITION, 20 TO 99.45% HYDRAULIC CEMENT, 0.2 TO 6.5% METHYL CELLULOSE OF 10 TO 7,000 CP. GRADE IN 2% AQUEOUS SOLUTION, AND 0.1% TO 10% POLYVINYL ALCOHOL OF 70 TO 90% HYDROLYZED GRADE, COVERING A SUBSTRATE WITH A BED OF SAID MORTAR AND PRESSING DRY TILE INTO THE RESULTING BED WITHOUT PREVIOUS WATER SOAKING OF THE TILE.
References Cited (Backward Citations)
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US2427683A
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US2600018A
Cited
US2725226A
Cited
US2758033A
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US2779417A
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US2820713A
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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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |