US3149986A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of artificial stone articles
Assignee: Individual
•
Filing: 1961-03-13
•
Granted: 1964-09-22
•
Expires: 1981-03-13
Abstract
No abstract record available.
Inventors
- 👤 Zelmanoff Nissan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 06:17
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/10; Y; Y02; Y02W; Y02W30/00; Y02W30/50; Y02W30/91
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
133 words
A PROCESS FOR THE MANUFACTURE OF ARTIFICIAL STONE ARTICLES OF HIGH MECHANICAL STRENGTH WHICH COMPRISES, PROVIDING AN ALKALINE EARTH HYDROXIDE SELECTED FROM THE GROUP CONSISTING OF CALCIUM HYDROXIDE AND A MIXTURE OF CALCIUM AND MAGNESIUM HYDROXIDE CONTAINING SUFFICIENT WATER TO FORM A PLASTIC MASS, FORMING SAID MASS INTO AN ARTICLE OF THE DESIRED CONFIGURATION, SUBJECTING SAID ARTICLE TO CARBONATION BY REACTING IT WITH A GASEOUS ATMOSPHERE CONTAINING AT LEAST ABOUT 10% CARBON DIOXIDE AND MOISTURE IN NON-SATURATING AMOUNTS CORRESPONDING TO A RELATIVE HUMIDITY FALLING WITHIN THE RANGE OF ABOUT 10% TO 99.9% AT A TEMPERATURE RANGING FROM ABOUT 35*F. TO 200*F. TO MAINTAIN THE WATER CONTENT OF THE HYDROXIDE IN THE RANGE OF ABOUT 0.9 TO 10% BASED ON THE HYDROXIDE CONTENT AND SUBSTANTIALLY IN EQUILIBRIUM WITH THE MOISTURE IN THE GASEOUS ATMOSPHERE.
Claim 2
Dependent Claim
133 words
A PROCESS FOR THE MANUFACTURE OF ARTIFICIAL STONE ARTICLES OF HIGH MECHANICAL STRENGTH WHICH COMPRISES, PROVIDING AN ALKALINE EARTH HYDROXIDE SELECTED FROM THE GROUP CONSISTING OF CALCIUM HYDROXIDE AND A MIXTURE OF CALCIUM AND MAGNESIUM HYDROXIDE CONTAINING SUFFICIENT WATER TO FORM A PLASTIC MASS, FORMING SAID MASS INTO AN ARTICLE OF THE DESIRED CONFIGURATION, SUBJECTING SAID ARTICLE TO CARBONATION BY REACTING IT WITH A GASEOUS ATMOSPHERE CONTAINING AT LEAST ABOUT 10% CARBON DIOXIDE AND MOISTURE IN NON-SATURATING AMOUNTS CORRESPONDING TO A RELATIVE HUMIDITY FALLING WITHIN THE RANGE OF ABOUT 10% TO 99.9% AT A TEMPERATURE RANGING FROM ABOUT 35*F. TO 200*F. TO MAINTAIN THE WATER CONTENT OF THE HYDROXIDE IN THE RANGE OF ABOUT 0.9 TO 10% BASED ON THE HYDROXIDE CONTENT AND SUBSTANTIALLY IN EQUILIBRIUM WITH THE MOISTURE IN THE GASEOUS ATMOSPHERE.
References Cited (Backward Citations)
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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) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |