US2560871A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of mixing cement composition
Assignee: Higgins Inc
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Filing: 1948-04-28
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Granted: 1951-07-17
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Expires: 1968-04-28
Abstract
No abstract record available.
Inventors
- 👤 George H Johnson
- 👤 Roland C Higgins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:20
CPC Classifications
C; C04; C04B; C04B28/00; C04B28/02; C04B28/04; C04B22/00; C04B22/02; C04B22/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
THE METHOD OF MAKING A CEMENTITIOUS PRODUCT WHICH COMPRISES MIXING VIOLENTLY MATERIALS IN THE PROPORTION OF 40 GALLONS OF WATER, ONE GALLON OF AQUEOUS BITUMINOUS EMULSION CONTAINING ABOUT 55 PER CENT ASPHALTIC MATERIAL AND 752 POUNDS OF PORTLAND CEMENT; THEREAFTER ADDING A RELATIVELY SMALL AND EXHAUSTIBLE AMOUNT OF ALUMINUM FLAKES AND CONTINUING THE VIOLENT MIXING FOR ABOUT 30 SECONDS AND THEREAFTER ADDING A SMALL BUT INEXHAUSTIBLE AMOUNT OF SODIUM HYDROXIDE AND MIXING VIOLENTLY UNTIL THE POINT OF INCIPIENT GELATION HAS BEEN REACHED, THEREUPON POURING THE MIXTURE INTO A FORM AND ALLOWING IT TO SET.
Claim 2
Independent Claim
94 words
THE METHOD OF MAKING A CEMENTITIOUS PRODUCT WHICH COMPRISES MIXING VIOLENTLY MATERIALS IN THE PROPORTION OF 40 GALLONS OF WATER, ONE GALLON OF AQUEOUS BITUMINOUS EMULSION CONTAINING ABOUT 55 PER CENT ASPHALTIC MATERIAL AND 752 POUNDS OF PORTLAND CEMENT; THEREAFTER ADDING A RELATIVELY SMALL AND EXHAUSTIBLE AMOUNT OF ALUMINUM FLAKES AND CONTINUING THE VIOLENT MIXING FOR ABOUT 30 SECONDS AND THEREAFTER ADDING A SMALL BUT INEXHAUSTIBLE AMOUNT OF SODIUM HYDROXIDE AND MIXING VIOLENTLY UNTIL THE POINT OF INCIPIENT GELATION HAS BEEN REACHED, THEREUPON POURING THE MIXTURE INTO A FORM AND ALLOWING IT TO SET.
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) | 1954-07-16 | 1955-01-15 | 1955-07-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-16 | 1959-01-15 | 1959-07-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-16 | 1963-01-15 | 1963-07-17 | $7700.00 | Window Closed / Lapsed |