Patent FR537460A successfully refreshed from Google Patents.
US2776902A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulic cement compositions containing air detraining agents and methods of using same
Assignee: American Marietta Co
•
Filing: 1954-08-18
•
Granted: 1957-01-08
•
Expires: 1974-08-18
Abstract
No abstract record available.
Inventors
- 👤 Jr Edward W Scripture
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:37
CPC Classifications
C; C04; C04B; C04B24/00; C04B24/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
A HYDRAULIC CEMENT MIX OF NON-FOAMING INGREDIENTS CONSISTING ESSENTIALLY OF HYDRAULIC CEMENT, AGGREGATE, AND WATER SUFFICIENT FOR HYDRAULIC SETTING OF THE CEMENT AND PRODUCTION OF A WORKABLY PLASTIC MIX, AND ADDITIONALLY CONTAINING UP TO A MAXIMUM OF ABOUT 0.1%, BY WEIGHT OF THE CEMENT, OF A SUBSTANTIALLY WATER-INSOLUBLE, LIQUID, ALIPHATIC ALCOHOL HAVING FROM ABOUT SEVEN TO EIGHTEEN CARBON ATOMS TO REDUCE THE AMOUNT OF AIR ENTRAINED IN THE MIX.
Claim 2
Dependent Claim
69 words
A HYDRAULIC CEMENT MIX OF NON-FOAMING INGREDIENTS CONSISTING ESSENTIALLY OF HYDRAULIC CEMENT, AGGREGATE, AND WATER SUFFICIENT FOR HYDRAULIC SETTING OF THE CEMENT AND PRODUCTION OF A WORKABLY PLASTIC MIX, AND ADDITIONALLY CONTAINING UP TO A MAXIMUM OF ABOUT 0.1%, BY WEIGHT OF THE CEMENT, OF A SUBSTANTIALLY WATER-INSOLUBLE, LIQUID, ALIPHATIC ALCOHOL HAVING FROM ABOUT SEVEN TO EIGHTEEN CARBON ATOMS TO REDUCE THE AMOUNT OF AIR ENTRAINED IN THE MIX.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-01-08 | 1960-07-09 | 1961-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-01-08 | 1964-07-09 | 1965-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-01-08 | 1968-07-09 | 1969-01-08 | $7700.00 | Window Closed / Lapsed |