Patent US3213664A successfully refreshed from Google Patents.
US3213664A
Expired / Lapsed
US
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Apparatus for forming articles
Assignee: Textron Inc
•
Filing: 1961-03-24
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Granted: 1965-10-26
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Expires: 1981-03-24
Abstract
No abstract record available.
Inventors
- 👤 Anthony M Putetti
- 👤 John C Mcmurray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:17
CPC Classifications
B; B21; B21J; B21J9/00; B21J9/02; B21J9/06; B21C; B21C23/00; B21C23/02; B21C23/04; B21C23/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
APPARATUS FOR PROGRESSIVELY COLD WORKING A METAL BLANK COMPRISING FIRST MEANS FOR ENGAGING ONE END OF THE METAL BLANK, SECOND MEANS MOVABLE WITH RESPECT TO SAID FIRST MEANS AND ENGAGING THE BLANK TO AXIALLY COMPRESS THE BALNK, AND A SLEEVE SLIDABLE WITH RESPECT TO SAID SECOND MEANS AND ADAPTED TO RECEIVE THE BLANK TO CONFINE IT AGAINS RADIAL EXPANSION OVER A SUBSTANTIAL PORTION OF ITS LENGTH, SAID FIRST MEANS AND SAID SLEEVE DEFINING A CAVITY THEREBETWEEN INTO WHICH SAID BLANK IS EXPANDED UNDER THE AXIAL PRESSURE OF SAID SECOND MEANS AND MEANS FORMING A PORTION OF THE SLEEVE FOR ALLOWING THE BLANK TO EXPAND, HAVING AT LEAST ONE INTERNAL CAVITY WALL PORTION SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF THE SLEEVE TO PROVIDE A UNIFORM CROSS-SECTIONAL AREA OVER SUBSTANTIALLY THE ENTIRE EXPANDED PORTION OF THE BLANK.
Claim 2
Dependent Claim
136 words
APPARATUS FOR PROGRESSIVELY COLD WORKING A METAL BLANK COMPRISING FIRST MEANS FOR ENGAGING ONE END OF THE METAL BLANK, SECOND MEANS MOVABLE WITH RESPECT TO SAID FIRST MEANS AND ENGAGING THE BLANK TO AXIALLY COMPRESS THE BALNK, AND A SLEEVE SLIDABLE WITH RESPECT TO SAID SECOND MEANS AND ADAPTED TO RECEIVE THE BLANK TO CONFINE IT AGAINS RADIAL EXPANSION OVER A SUBSTANTIAL PORTION OF ITS LENGTH, SAID FIRST MEANS AND SAID SLEEVE DEFINING A CAVITY THEREBETWEEN INTO WHICH SAID BLANK IS EXPANDED UNDER THE AXIAL PRESSURE OF SAID SECOND MEANS AND MEANS FORMING A PORTION OF THE SLEEVE FOR ALLOWING THE BLANK TO EXPAND, HAVING AT LEAST ONE INTERNAL CAVITY WALL PORTION SUBSTANTIALLY PARALLEL TO THE LONGITUDINAL AXIS OF THE SLEEVE TO PROVIDE A UNIFORM CROSS-SECTIONAL AREA OVER SUBSTANTIALLY THE ENTIRE EXPANDED PORTION OF THE BLANK.
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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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |