US3399409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making a self-staking insert
Assignee: Russell Burdsall and Ward Corp
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Filing: 1966-02-10
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Granted: 1968-09-03
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Expires: 1986-02-10
Abstract
No abstract record available.
Inventors
- 👤 Arthur R Breed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 19:36
CPC Classifications
F; F16; F16B; F16B37/00; F16B37/04; F16B37/06; F16B37/062; F16B37/068; B; B21; B21K; B21K1/00; B21K1/64; B21K1/70; Y; Y10; Y10S; Y10S411/00; Y10S411/955; Y10S411/965; Y10S411/968
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
160 words
THE METHOD OF COLD FORMING A PRODUCT HAVING AN AXIALLY EXTENDING OPENING THERETHROUGH AND PORTIONS PROJECTING LATERALLY FROM AXIALLY EXTENDING SURFACES AT OPPOSITE ENDS OF THE PRODUCT AND PROVIDING SURFACES WHICH FACE EACH OTHER COMPRISING THE STEPS OF COLD FORMING A BLAND IN A DIE CAVITY TO FORM ONE OF THE LATERALLY PROJECTING PORTIONS OF THE PRODUCT AND AN AXIALLY EXTENDING SKIRT OF SUBSTANTIALLY SMALLER CROSS-SECTIONAL AREA THAN THAT OF THE BLANK AND WHICH EXTENDS AXIALLY FROM THE BLANK AT THE OPPOSITE END FROM SAID ONE LATERALLY PROJECTING PORTION WITH THE SKIRT GENERALLY FORMING A CONTINUATION OF THE AXIALLY EXTENDING SURFACE FROM WHICH THE OTHER OF THE PORTIONS IS TO PROJECT, REMOVING THE BLANK FROM THE CAVITY BY MOVING THE BLANK AXIALLY WITH SAID ONE END LEADING, ENGAGING THE BLANK WITH A SECOND DIE, AND APPLYING PRESSURE TO SAID SKIRT WITH SAID SECOND DIE TO COLD FLOW THE SKIRT LATERALLY AND TOWARD SAID ONE PORTION TO FORM THE OTHER PORTION.
Claim 2
Independent Claim
160 words
THE METHOD OF COLD FORMING A PRODUCT HAVING AN AXIALLY EXTENDING OPENING THERETHROUGH AND PORTIONS PROJECTING LATERALLY FROM AXIALLY EXTENDING SURFACES AT OPPOSITE ENDS OF THE PRODUCT AND PROVIDING SURFACES WHICH FACE EACH OTHER COMPRISING THE STEPS OF COLD FORMING A BLAND IN A DIE CAVITY TO FORM ONE OF THE LATERALLY PROJECTING PORTIONS OF THE PRODUCT AND AN AXIALLY EXTENDING SKIRT OF SUBSTANTIALLY SMALLER CROSS-SECTIONAL AREA THAN THAT OF THE BLANK AND WHICH EXTENDS AXIALLY FROM THE BLANK AT THE OPPOSITE END FROM SAID ONE LATERALLY PROJECTING PORTION WITH THE SKIRT GENERALLY FORMING A CONTINUATION OF THE AXIALLY EXTENDING SURFACE FROM WHICH THE OTHER OF THE PORTIONS IS TO PROJECT, REMOVING THE BLANK FROM THE CAVITY BY MOVING THE BLANK AXIALLY WITH SAID ONE END LEADING, ENGAGING THE BLANK WITH A SECOND DIE, AND APPLYING PRESSURE TO SAID SKIRT WITH SAID SECOND DIE TO COLD FLOW THE SKIRT LATERALLY AND TOWARD SAID ONE PORTION TO FORM THE OTHER PORTION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-09-03 | 1972-03-04 | 1972-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-03 | 1976-03-04 | 1976-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-03 | 1980-03-04 | 1980-09-03 | $7700.00 | Window Closed / Lapsed |