US2902380A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slip casting method
Assignee: Individual
•
Filing: 1956-07-13
•
Granted: 1959-09-01
•
Expires: 1976-07-13
Abstract
No abstract record available.
Inventors
- 👤 Adrian G Allison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:09
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13; C04B33/1305
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
THE PROCESS OF MAKING AN AQUEOUS MAGNESIUM OXIDE SLIP CASTING SLURRY, WHICH COMPRISES ADDING MAGNESIUM OXIDE GRAMS TO TO WATER IN THE PROPORTION OF ABOUT 12 TO ABOUT 30 GRAMS OF WATER PER 100 GRAMS OF MAGNESIUM OXIDE, THE SIZE OF SAID MAGNESIUM OXIDE GRAINS BEING ABOUT MINUS 325 MESH, MIXING SAID MAGNESIUM OXIDE WITH SAID WATER, SAID MIXTURE HAVING A PH VALUE OF ABOUT 11.3 AGING SAID MAGNESIUM OXIDE IN SAID WATER UNTIL SAID MIXTURE HAS A VISCONITY OF ABOUT 275 CENTIPOISES, AND ADDING FROM ABOUT 0.02 TO ABOUT 0.1 CC OF 5 N HYDROCHLORIC ACID PER 100 GRAMS OF MAGNESIUM OXIDE WHEREBY SAID AGED SLURRY MAY BE USED TO PREPARE A HIGH STRENGTH SLIP CASTING.
Claim 2
Dependent Claim
117 words
THE PROCESS OF MAKING AN AQUEOUS MAGNESIUM OXIDE SLIP CASTING SLURRY, WHICH COMPRISES ADDING MAGNESIUM OXIDE GRAMS TO TO WATER IN THE PROPORTION OF ABOUT 12 TO ABOUT 30 GRAMS OF WATER PER 100 GRAMS OF MAGNESIUM OXIDE, THE SIZE OF SAID MAGNESIUM OXIDE GRAINS BEING ABOUT MINUS 325 MESH, MIXING SAID MAGNESIUM OXIDE WITH SAID WATER, SAID MIXTURE HAVING A PH VALUE OF ABOUT 11.3 AGING SAID MAGNESIUM OXIDE IN SAID WATER UNTIL SAID MIXTURE HAS A VISCONITY OF ABOUT 275 CENTIPOISES, AND ADDING FROM ABOUT 0.02 TO ABOUT 0.1 CC OF 5 N HYDROCHLORIC ACID PER 100 GRAMS OF MAGNESIUM OXIDE WHEREBY SAID AGED SLURRY MAY BE USED TO PREPARE A HIGH STRENGTH SLIP CASTING.
References Cited (Backward Citations)
US2313746A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-31 | 1963-03-02 | 1963-09-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-31 | 1967-03-02 | 1967-09-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-31 | 1971-03-02 | 1971-09-01 | $7700.00 | Window Closed / Lapsed |