US3133792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slip cast calcined magnesia products
Assignee: —
•
Filing: —
•
Granted: 1964-05-19
•
Expires: 1981-05-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 07:59
CPC Classifications
C; C04; C04B; C04B35/00; C04B35/515; C04B35/56; C04B35/565; C04B35/622; C04B35/626; C04B35/62605; C04B35/6261; C04B35/62625; C04B35/6263; C04B35/63; C04B35/6303; C04B35/632; C04B2235/00; C04B2235/02; C04B2235/30; C04B2235/32; C04B2235/3205; C04B2235/3206; C04B2235/3208; C04B2235/50; C04B2235/54; C04B2235/5418; C04B2235/5436; C04B2235/5445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
THE METHOD OF AQUEOUS SLIP CASTING A CALCINED MAGNESIA PRODUCT COMPRISING BALL MILLING A MASS OF CALCINED MAGNESIA IN THE PRESENCE OF WATER TO A VERY FINE KPARTICLE SIZE IN THE ORDER OF 325 MESH AND SMALLER, AGING THE AQUEOUS SLURRY, AND CONTROLLING THE TEMPERATURE DURING MILLING AND AGING, SUCH THAT THE SLURRY IS ALWAYS COOLER THAN ABOUT 35*C. DEFLOCCULATING THE AGED MASS AND FLOWING THE AQUEOUS SLIP INTO A SLIP CASTING MOLD, REMOVING THE CASTING FROM THE MOLD AND FIRING IT AT A SINTERING TEMPERATURE.
Claim 2
Independent Claim
86 words
THE METHOD OF AQUEOUS SLIP CASTING A CALCINED MAGNESIA PRODUCT COMPRISING BALL MILLING A MASS OF CALCINED MAGNESIA IN THE PRESENCE OF WATER TO A VERY FINE KPARTICLE SIZE IN THE ORDER OF 325 MESH AND SMALLER, AGING THE AQUEOUS SLURRY, AND CONTROLLING THE TEMPERATURE DURING MILLING AND AGING, SUCH THAT THE SLURRY IS ALWAYS COOLER THAN ABOUT 35*C. DEFLOCCULATING THE AGED MASS AND FLOWING THE AQUEOUS SLIP INTO A SLIP CASTING MOLD, REMOVING THE CASTING FROM THE MOLD AND FIRING IT AT A SINTERING TEMPERATURE.
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) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |