US3672882A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slip casting
Assignee: National Standard Co
•
Filing: 1969-05-26
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Granted: 1972-06-27
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Expires: 1989-05-26
Abstract
Abstract FINE METAL COMPOUND POWDERS CAPABLE OF BEING REDUCED TO THE METALLIC STATE ARE MADE INTO A CASTING SLIP,CAST INTO A SLIP CASTING MOLD TO FORM A SLIP CAST OBJECT WHICH IS REMOVED FROM THE MOLD, REDUCED AND SINTERED INTO A PORE-FREE HIGH DENSITY OBJECT.
Inventors
- 👤 Joseph R Sagmuller
- 👤 Richard I Hunter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:03
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/16; B22F9/18; B22F3/00; B22F3/22
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-06-27 | 1975-12-27 | 1976-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-06-27 | 1979-12-27 | 1980-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-06-27 | 1983-12-27 | 1984-06-27 | $7700.00 | Window Closed / Lapsed |