US3202122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making precision formed metal parts
Assignee: Individual
•
Filing: 1964-07-07
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Granted: 1965-08-24
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Expires: 1984-07-07
Abstract
No abstract record available.
Inventors
- 👤 Jr William A Bedford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:21
CPC Classifications
B; B21; B21D; B21D53/00; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49204
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
THE METHOD OF PRECISION FORMING, FROM A FLAT AND MALLEABLE METAL SHEET, AN ARTICLE HAVING A BODY PORTION THAT IS SEVERED FROM THE SHEET TO FINISHED FORM, AN APPENDAGE PORTION INTEGRAL WITH THE BODY PORTION THAT IS SEVERED FROM THE SHEET AND THEN ORIENTED TO PROJECT TRANSVERSELY BEYOND SURFACE PLANES OF THE BODY PORTION THAT CORRESPOND TO SURFACE PLANES OF THE SHEET, AND A HARDENED FORGED PORTION INTEGRAL WITH THE BODY PORTION, SAID METHOD COMPRISING: (A) SHEARING THE SHEET TO FORM A BLANK IN THE SHEET FOR AT LEAST THAT PORTION OF THE ARTICLE TO BE FORGED; (B) COLD FORGING A PORTION OF THE BODY TO PRODUCE SAID FORGED PORTION WHILE CONFINING THE METAL BEING FORGED AGAINST EXTRUSION, WHEREBY THE METAL OF THE FORGED PORTION IS BOTH WORK HARDENED AND FINISH FORMED; (C) SHEARING THE SHEET TO FORM THE SHAPE OF ANY UNSHEARED REMAINDER OF SAID ARTICLE; AND (D) AT A STAGE IN THE METHOD FOLLOWING FORGING SAID FORGED PORTION, BENDING SAID APPENDAGE PORTION TO ITS FINISHED FORM AND ORIENTATION RELATIVE TO THE BODY PORTION.
Claim 2
Independent Claim
175 words
THE METHOD OF PRECISION FORMING, FROM A FLAT AND MALLEABLE METAL SHEET, AN ARTICLE HAVING A BODY PORTION THAT IS SEVERED FROM THE SHEET TO FINISHED FORM, AN APPENDAGE PORTION INTEGRAL WITH THE BODY PORTION THAT IS SEVERED FROM THE SHEET AND THEN ORIENTED TO PROJECT TRANSVERSELY BEYOND SURFACE PLANES OF THE BODY PORTION THAT CORRESPOND TO SURFACE PLANES OF THE SHEET, AND A HARDENED FORGED PORTION INTEGRAL WITH THE BODY PORTION, SAID METHOD COMPRISING: (A) SHEARING THE SHEET TO FORM A BLANK IN THE SHEET FOR AT LEAST THAT PORTION OF THE ARTICLE TO BE FORGED; (B) COLD FORGING A PORTION OF THE BODY TO PRODUCE SAID FORGED PORTION WHILE CONFINING THE METAL BEING FORGED AGAINST EXTRUSION, WHEREBY THE METAL OF THE FORGED PORTION IS BOTH WORK HARDENED AND FINISH FORMED; (C) SHEARING THE SHEET TO FORM THE SHAPE OF ANY UNSHEARED REMAINDER OF SAID ARTICLE; AND (D) AT A STAGE IN THE METHOD FOLLOWING FORGING SAID FORGED PORTION, BENDING SAID APPENDAGE PORTION TO ITS FINISHED FORM AND ORIENTATION RELATIVE TO THE BODY PORTION.
References Cited (Backward Citations)
US2043919A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-23 | 1969-02-22 | 1969-08-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-23 | 1973-02-22 | 1973-08-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-23 | 1977-02-22 | 1977-08-24 | $7700.00 | Window Closed / Lapsed |