US3116155A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magnesium oxide slip casting method
Assignee: Individual
•
Filing: 1961-07-28
•
Granted: 1963-12-31
•
Expires: 1981-07-28
Abstract
No abstract record available.
Inventors
- 👤 Stephen D Stoddard
- 👤 Daonald E Nuckolls
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:00
CPC Classifications
C; C04; C04B; C04B33/00; C04B33/02; C04B33/13
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
65 words
AN IMPROVED SLIP CASTING METHOD COMPRISING THE STEPS OF MIXING FINELY GROUND FUSED MAGNESIUM OXIDE WITH WATER, MILLING THE SLURRY FOR AT LEAST ABOUT 30 HOURS AT A TEMPERATURE OF 2 TO 10*C., DISCHARGING THE SLURRY FROM THE MILL, ADDING HYDROCHLORIC ACID AS A DEFLOCCULENT, ADDING A SCUM INHIBITOR, IMMEDIATELY POURING SAID SLURRY INTO AN UNCOATED PLASTER MOLD, AND IMMEDIATELY DRYING AND FIRING SAID SLURRY.
References Cited (Backward Citations)
CA566398A
Cited
US2902380A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-12-30 | 1967-07-01 | 1967-12-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-12-30 | 1971-07-01 | 1971-12-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-12-30 | 1975-07-01 | 1975-12-31 | $7700.00 | Window Closed / Lapsed |