US2751293A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making perforated powdered metal article
Assignee: Allied Products Corp
•
Filing: 1951-07-31
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Granted: 1956-06-19
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Expires: 1971-07-31
Abstract
No abstract record available.
Inventors
- 👤 Haller John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:03
CPC Classifications
B; B22; B22F; B22F3/00; B22F3/24; B22F3/26; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12153; Y10T428/1216
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A PROCESS OF MAKING A PERFORATED POWDERED METAL ARTICLE, COMPRISING PLACING A CHARGE OF POWDERED METAL IN A CAVITY CONFIGURED TO THE DESIRED SHAPE FOR SAID ARTICLE, EMBEDDING IN SAID POWDERED METAL CHARGE A MULTIPLICITY OF PERFORMATION FORMS DISPOSED IN SPACED RELATIONSHIP TO ONE ANOTHER IN A PERDETERMINED PATTERN, EACH FORM BEING CONFIGURED TO THE DESIRED SHAPE OF THE PERFORATION AND COMPOSED OF METAL INFILTRATABLE INTO THE POWDERED METAL OF SAID CHARGE, COMPRESSING SAID CHARGE WITH THE FORMS EMBEDDED THEREIN SUFFICIENTLY TO SHEER OFF SAID FORMS AT THE EDGES OF SAID CAVITY AND TO PRODUCE A POWDERED METAL BODY, AND SINTERING SAID BODY TO MELT SAID FORMS AND INFILTRATE THE METAL THEREOF INTO THE PORES OF SAID BODY.
Claim 2
Dependent Claim
118 words
A PROCESS OF MAKING A PERFORATED POWDERED METAL ARTICLE, COMPRISING PLACING A CHARGE OF POWDERED METAL IN A CAVITY CONFIGURED TO THE DESIRED SHAPE FOR SAID ARTICLE, EMBEDDING IN SAID POWDERED METAL CHARGE A MULTIPLICITY OF PERFORMATION FORMS DISPOSED IN SPACED RELATIONSHIP TO ONE ANOTHER IN A PERDETERMINED PATTERN, EACH FORM BEING CONFIGURED TO THE DESIRED SHAPE OF THE PERFORATION AND COMPOSED OF METAL INFILTRATABLE INTO THE POWDERED METAL OF SAID CHARGE, COMPRESSING SAID CHARGE WITH THE FORMS EMBEDDED THEREIN SUFFICIENTLY TO SHEER OFF SAID FORMS AT THE EDGES OF SAID CAVITY AND TO PRODUCE A POWDERED METAL BODY, AND SINTERING SAID BODY TO MELT SAID FORMS AND INFILTRATE THE METAL THEREOF INTO THE PORES OF SAID BODY.
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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) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |