US3075244A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of articles from powdered materials
Assignee: Westinghouse Electric Corp
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Filing: 1959-07-23
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Granted: 1963-01-29
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Expires: 1979-07-23
Abstract
No abstract record available.
Inventors
- 👤 James P Glenn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:12
CPC Classifications
B; B28; B28B; B28B3/00; B28B3/02; B28B3/08; G; G21; G21C; G21C3/00; G21C3/42; G21C3/58; G21C3/62; G21C3/623; Y; Y02; Y02E; Y02E30/00; Y02E30/30; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/906; Y10S264/00; Y10S264/66; Y10S376/00; Y10S376/90; Y10S376/901; Y10S376/903; Y10S425/00; Y10S425/123
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
58 words
A METHOD FOR MAKING A CYLINDER FROM LOOSE POWDERED MATERIAL, COMPRISING THE STEPS OF, FORMING UNDER PRESSURE A BARREL-SHAPED COMPACT HAVING A LENGTH TO DIAMETER RATIO GREATER THAN 1 FROM SAID LOOSE POWDERED MATERIAL, ELASTICALLY DEFORMING SAID BARREL-SHAPED COMPACT ALONG THE LONGITUDINAL AXIS THEREOF BY EXTRUSION AND THEREAFTER SINTERING SAID BARREL-SHAPED COMPACT TO PRODUCE AN ESSENTIALLY CYLINDRICAL BODY.
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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |