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US2962467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cement compositions
Assignee: Tile Council of America Inc
•
Filing: 1959-05-05
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Granted: 1960-11-29
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Expires: 1979-05-05
Abstract
No abstract record available.
Inventors
- 👤 Herman B Wagner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 23:55
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A DRY CEMENT COMPOSITION DESIGNED TO BE COMBINED WITH WATER CONSISTING ESSENTIALLY OF PORTLAND CEMENT AND BASED ON THE WEIGHT OF SAID CEMENT 0.3 TO 4.0% OF A WATER SOLUBLE METAL SULFIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SULFIDES AND ALKALINE EARTH METAL SULFIDES AND 1 TO 7% OF A BUTANE SALT.
Claim 2
Dependent Claim
54 words
A DRY CEMENT COMPOSITION DESIGNED TO BE COMBINED WITH WATER CONSISTING ESSENTIALLY OF PORTLAND CEMENT AND BASED ON THE WEIGHT OF SAID CEMENT 0.3 TO 4.0% OF A WATER SOLUBLE METAL SULFIDE SELECTED FROM THE GROUP CONSISTING OF ALKALI METAL SULFIDES AND ALKALINE EARTH METAL SULFIDES AND 1 TO 7% OF A BUTANE SALT.
References Cited (Backward Citations)
US1791684A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-11-29 | 1964-05-30 | 1964-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-11-29 | 1968-05-30 | 1968-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-11-29 | 1972-05-30 | 1972-11-29 | $7700.00 | Window Closed / Lapsed |