US2838411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pointing compound
Assignee: Tile Council of America Inc
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Filing: 1955-11-15
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Granted: 1958-06-10
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Expires: 1975-11-15
Abstract
No abstract record available.
Inventors
- 👤 Herman B Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:41
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/24; C04B24/38; C04B24/383
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A POINTING COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF THE FOLLOWING INGREDIENTS IN PERCENTAGES BY WEIGHT: IN EXCESS OF ABOUT 90% PORTLAND CEMENT, ABOUT 0.25 TO 2.2% METHYL CELLULOSE WHICH HAS A VISCOSITY IN 2% SOLUTION OF 80-6,000 CENTIPOISE, AND ABOUT 1.5 TO 2.5% CALCIUM CHLORIDE, AND ABOUT 30-40% WATER BASED ON THE WEIGHT OF SAID MIXTURE INCLUDING THE PREVIOUSLY NAMED INGREDIENTS TO FORM A PASTE CAPABLE OF POINTING CERAMIC TILE.
Claim 2
Dependent Claim
71 words
A POINTING COMPOSITION CONSISTING ESSENTIALLY OF A MIXTURE OF THE FOLLOWING INGREDIENTS IN PERCENTAGES BY WEIGHT: IN EXCESS OF ABOUT 90% PORTLAND CEMENT, ABOUT 0.25 TO 2.2% METHYL CELLULOSE WHICH HAS A VISCOSITY IN 2% SOLUTION OF 80-6,000 CENTIPOISE, AND ABOUT 1.5 TO 2.5% CALCIUM CHLORIDE, AND ABOUT 30-40% WATER BASED ON THE WEIGHT OF SAID MIXTURE INCLUDING THE PREVIOUSLY NAMED INGREDIENTS TO FORM A PASTE CAPABLE OF POINTING CERAMIC TILE.
References Cited (Backward Citations)
US2600018A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |