US2533118A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sodium silicate cement composition
Assignee: Individual
•
Filing: 1947-08-12
•
Granted: 1950-12-05
•
Expires: 1967-08-12
Abstract
No abstract record available.
Inventors
- 👤 Harry J Kahn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:15
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/24; C04B28/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A CEMENT COMPOSITION HAVING A CONSISTENCY FROM THAT OF HEAVY MOLASSES TO A THICK PASTE AND COMPRISING WHITING, STEATITE, WATER SOLUTION OF SODIUM SILICATE, LARD OIL AND ALUMINUM STEARATE, WHEREIN THE WHITING CONSTITUTES 35 TO 65 PERCENT OF THE COMBINED WEIGHT OF WHITING AND STEATITE AND, FOR EACH 100 POUNDS COMBINED WEIGHT OF WHITING ANS STEATITE, THE LARD OIL IS 2.5 TO 7.5 POUNDS, THE ALUMINUM STEARATE IS 1 TO 4.5 POUNDS AND THE SODIUM SILICATE SOLUTION IS 130 TO 200 POUNDS AND HAS A CONCENTRATION OF 40 PERCENT BY WEIGHT OF SODIUM SILICATE.
Claim 2
Dependent Claim
94 words
A CEMENT COMPOSITION HAVING A CONSISTENCY FROM THAT OF HEAVY MOLASSES TO A THICK PASTE AND COMPRISING WHITING, STEATITE, WATER SOLUTION OF SODIUM SILICATE, LARD OIL AND ALUMINUM STEARATE, WHEREIN THE WHITING CONSTITUTES 35 TO 65 PERCENT OF THE COMBINED WEIGHT OF WHITING AND STEATITE AND, FOR EACH 100 POUNDS COMBINED WEIGHT OF WHITING ANS STEATITE, THE LARD OIL IS 2.5 TO 7.5 POUNDS, THE ALUMINUM STEARATE IS 1 TO 4.5 POUNDS AND THE SODIUM SILICATE SOLUTION IS 130 TO 200 POUNDS AND HAS A CONCENTRATION OF 40 PERCENT BY WEIGHT OF SODIUM SILICATE.
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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) | 1953-12-04 | 1954-06-05 | 1954-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-12-04 | 1958-06-05 | 1958-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-12-04 | 1962-06-05 | 1962-12-05 | $7700.00 | Window Closed / Lapsed |