Patent US2964400A successfully refreshed from Google Patents.
US2964400A
Expired / Lapsed
US
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Method of and apparatus for making articles from powdered metal briquets
Assignee: Individual
•
Filing: 1957-04-05
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Granted: 1960-12-13
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Expires: 1977-04-05
Abstract
No abstract record available.
Inventors
- 👤 Joseph B Brennan
- 👤 Helen E Brennan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:53
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/10; B22F3/003; B22F2998/00; Y; Y10; Y10S; Y10S425/00; Y10S425/054
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD OF CONTINUOUSLY PRODUCING ARTICLES FROM POWDERED METAL COMPRISING PLACING SUCH POWDERED METAL IN A PLURALITY OF ENCLOSURES, MOVING SUCH ENCLOSURES SERIATIM THROUGH DUAL HEATING ZONES, PREHEATING EACH ENCLOSURE IN A FIRST HEATING ZONE TO DEGAS THE POWDERED METAL, HEATING SUCH ENCLOSURE IN A SECOND HEATING ZONE, RELEASABLY OPPOSING THE MOVEMENT OF THE ENCLOSURES THROUGH SUCH SECOND ZONE TO FORCE ADJACENT ENCLOSURES TOGETHER, AND THEN USING SUCH FORCE TO COMPRESS THE METAL WHILE SO HEATED TO A DESIRED DENSITY TO FORM SUCH ARTICLES.
Claim 2
Independent Claim
84 words
A METHOD OF CONTINUOUSLY PRODUCING ARTICLES FROM POWDERED METAL COMPRISING PLACING SUCH POWDERED METAL IN A PLURALITY OF ENCLOSURES, MOVING SUCH ENCLOSURES SERIATIM THROUGH DUAL HEATING ZONES, PREHEATING EACH ENCLOSURE IN A FIRST HEATING ZONE TO DEGAS THE POWDERED METAL, HEATING SUCH ENCLOSURE IN A SECOND HEATING ZONE, RELEASABLY OPPOSING THE MOVEMENT OF THE ENCLOSURES THROUGH SUCH SECOND ZONE TO FORCE ADJACENT ENCLOSURES TOGETHER, AND THEN USING SUCH FORCE TO COMPRESS THE METAL WHILE SO HEATED TO A DESIRED DENSITY TO FORM SUCH ARTICLES.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-12-13 | 1964-06-13 | 1964-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-12-13 | 1968-06-13 | 1968-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-12-13 | 1972-06-13 | 1972-12-13 | $7700.00 | Window Closed / Lapsed |