US3216841A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal slip casting composition
Assignee: Clevite Industries Inc
•
Filing: 1962-04-30
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Granted: 1965-11-09
•
Expires: 1982-04-30
Abstract
No abstract record available.
Inventors
- 👤 Edward L Thellmann
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:46
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
IN A SLIP CASTING PROCESS EMPLOYING A SLIP CASTING COMPOSITION CONSISSTING OF A SUSPENDING AGENT SELECTED FROM THE GROUP CONSISTING OF AMMONIUM ALGINATE, POLYVINYL ALCOHOL AND GUM ARABIC AND A METAL POWDER SELECTED FROM THE GROUP CONSISTING OF IRON, IRON CARBONYL AND TUNGSTEN CARRIED IN AN AQUEOUS MEDIUM THE STEPS OF ADDING A WATER SOLUBLE SALT SELECTED FROM THE GROUP CONSISTING OF SODIUM CHLORIDE, POTASSIUM CHLORIDE AND AMMONIUM ACETATE IN AN AMOUNT EQUAL TO BETWEEN 1/2 TO 3% OF THE WATER WEIGHT TO SAID SLIP CASTING COMPOSITION.
Claim 2
Dependent Claim
87 words
IN A SLIP CASTING PROCESS EMPLOYING A SLIP CASTING COMPOSITION CONSISSTING OF A SUSPENDING AGENT SELECTED FROM THE GROUP CONSISTING OF AMMONIUM ALGINATE, POLYVINYL ALCOHOL AND GUM ARABIC AND A METAL POWDER SELECTED FROM THE GROUP CONSISTING OF IRON, IRON CARBONYL AND TUNGSTEN CARRIED IN AN AQUEOUS MEDIUM THE STEPS OF ADDING A WATER SOLUBLE SALT SELECTED FROM THE GROUP CONSISTING OF SODIUM CHLORIDE, POTASSIUM CHLORIDE AND AMMONIUM ACETATE IN AN AMOUNT EQUAL TO BETWEEN 1/2 TO 3% OF THE WATER WEIGHT TO SAID SLIP CASTING COMPOSITION.
References Cited (Backward Citations)
US1585010A
Cited
US2406428A
Cited
US2413098A
Cited
US2527390A
Cited
US2811408A
Cited
US2851330A
Cited
US2979401A
Cited
US2990292A
Cited
US3052949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |