US2800684A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming powdered metal parts
Assignee: NCR Voyix Corp
•
Filing: 1953-07-28
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Granted: 1957-07-30
•
Expires: 1973-07-28
Abstract
No abstract record available.
Inventors
- 👤 Henrietta A Luthman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:42
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/02; B22F3/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
IN A DIE FOR FORMING PARTS FROM POWERED METAL, THE COMBINATION OF A BOLSTER HAVING A CAVITY FOR RECIEVING THE POWERED METAL ELEMENTS, AN UPPER PUNCH HAVING A FORMING CONFIGURATION ON THE LOWER END THEREOF, A SPRING EFFECTIVE AFTER THE UPPER PUNCH HAS BEEN LOWERED TO MAINTAINN THE UPPER PUNCH RESILIENTLY IN LOWER POSITION, A LOWER PUNCH HAVING FORMING CONFIGURATIONS ON THE UPPER END THEREOF, A SPRING EFFECTIVE AFTER THE LOWER PUNCH HAS BEEN RAISED TO MAINTAIN THE LOWER PUNCH RESILIENTLY IN RAISED POSITION, A PLURALITY OF MATRIXES ARRANGED RADIALLY AROUND THE PERIMETER OF THE CAVITY, EACH MATRIX HAVING FORMING CONFIGURATIONS ON THE INNER END THEREOF, A RING CAM MOVABLE INTO ENGAGEMENT WITH THE ENDS OF ALL THE MATRIXES TO MOVE THE MATRIXES TOWARD THE CAVITY, AND MEANS TO OPERATE SAID MATRIXES AND PUNCHES SIMULTANEOUSLY TO PRESS THE POWERED ELEMENTS INTO A PREDETERMINED SHAPE.
Claim 2
Dependent Claim
144 words
IN A DIE FOR FORMING PARTS FROM POWERED METAL, THE COMBINATION OF A BOLSTER HAVING A CAVITY FOR RECIEVING THE POWERED METAL ELEMENTS, AN UPPER PUNCH HAVING A FORMING CONFIGURATION ON THE LOWER END THEREOF, A SPRING EFFECTIVE AFTER THE UPPER PUNCH HAS BEEN LOWERED TO MAINTAINN THE UPPER PUNCH RESILIENTLY IN LOWER POSITION, A LOWER PUNCH HAVING FORMING CONFIGURATIONS ON THE UPPER END THEREOF, A SPRING EFFECTIVE AFTER THE LOWER PUNCH HAS BEEN RAISED TO MAINTAIN THE LOWER PUNCH RESILIENTLY IN RAISED POSITION, A PLURALITY OF MATRIXES ARRANGED RADIALLY AROUND THE PERIMETER OF THE CAVITY, EACH MATRIX HAVING FORMING CONFIGURATIONS ON THE INNER END THEREOF, A RING CAM MOVABLE INTO ENGAGEMENT WITH THE ENDS OF ALL THE MATRIXES TO MOVE THE MATRIXES TOWARD THE CAVITY, AND MEANS TO OPERATE SAID MATRIXES AND PUNCHES SIMULTANEOUSLY TO PRESS THE POWERED ELEMENTS INTO A PREDETERMINED SHAPE.
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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) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |