US2655004A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for and method of solidifying porous masses and structures
Assignee: Individual
•
Filing: 1946-02-25
•
Granted: 1953-10-13
•
Expires: 1966-02-25
Abstract
No abstract record available.
Inventors
- 👤 Louis S Wertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:07
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/24; C04B24/38; C04B24/383; C09; C09K; C09K17/00; C09K17/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
73 words
A READILY FLOWABLE AND PUMPABLE, FLUID, HYDRAULIC CEMENT SLURRY CAPABLE OF FLOWING WITHOUT SUBSTANTIAL SEGREGATION OF SOLIDS OVER LONG DISTANCES INTO AND THROUGH THE INTERSTICES OF POROUS MASSES TO SOLIDIFY THE SAME AND COMPRISING A HYDRAULIC CEMENT, WATER, AND FROM 0.005% TO 0.25% OF SUSPENDING AGENT BY WEIGHT OF THE TOTAL SOLIDS, SAID SUSPENDING AGENT CONSISTING OF WATERSOLUBLE CELLULOSE ETHER, AND THE SOLIDS OF SAID SLURRY ALL BEING FINELY DIVIDED, INORGANIC, NONFIBROUS PARTICLES.
Claim 2
Dependent Claim
73 words
A READILY FLOWABLE AND PUMPABLE, FLUID, HYDRAULIC CEMENT SLURRY CAPABLE OF FLOWING WITHOUT SUBSTANTIAL SEGREGATION OF SOLIDS OVER LONG DISTANCES INTO AND THROUGH THE INTERSTICES OF POROUS MASSES TO SOLIDIFY THE SAME AND COMPRISING A HYDRAULIC CEMENT, WATER, AND FROM 0.005% TO 0.25% OF SUSPENDING AGENT BY WEIGHT OF THE TOTAL SOLIDS, SAID SUSPENDING AGENT CONSISTING OF WATERSOLUBLE CELLULOSE ETHER, AND THE SOLIDS OF SAID SLURRY ALL BEING FINELY DIVIDED, INORGANIC, NONFIBROUS PARTICLES.
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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) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |