Patent US3273372A successfully refreshed from Google Patents.
US3273372A
Expired / Lapsed
US
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Combined drawing and cut-off apparatus
Assignee: Ajax Manufacturing Co
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Filing: 1964-02-24
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Granted: 1966-09-20
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Expires: 1984-02-24
Abstract
No abstract record available.
Inventors
- 👤 William A Ehlert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 10:16
CPC Classifications
B; B21; B21C; B21C19/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
168 words
IN COMBINED STOCK DRAWING AND CUT-OFF APPARATUS, A FRAME, A CUT-OFF MECHANISM, A RECIPROCABLE DIE SLIDE CARRIED BY SAID FRAME, A DRAWING DIE CARRIED BY SAID DIE SLIDE AND ADAPTED TO PERFORM A DRAWING OPERATION ON SAID STOCK DURING MOVEMENT OF SAID DIE SLIDE AWAY FROM SAID CUT-OFF MECHANISM, A RECIPROCABLE FEED SLIDE CARRIED BY SAID FRAME, A STOCK GRIPPING MEANS CARRIED BY SAID FEED SLIDE AND ADAPTED TO GRIP AND ADVANCE THE STOCK DURING MOVEMENT OF THE FEED SLIDE TOWARD SAID CUT-OFF MECHANISM, FIRST MEANS OPERATIVELY ENGAGING SAID DIE SLIDE FOR MOVING SAID DIE SLIDE DURING THE DRAWING OPERATION, SECOND MEANS OPERATIVELY INTERCONNECTING SAID FIRST MEANS WITH SAID FEED SLIDE AND RECIPROCATING THE LATTER WITH THE FORMER, THIRD MEANS FOR ACTUATING SAID CUT-OFF MECHANISM TO SHEAR SAID STOCK AT THE END OF SAID MOVEMENT OF SAID FEED SLIDE TOWARD SAID CUT-OFF MECHANISM, FOURTH MEANS IN SAID SECOND MEANS RELEASABLE UPON SAID FEED SLIDE ENCOUNTERING A PRE-DETERMINED RESISTANCE DURING MOVEMENT OF SAID FEED SLIDE TOWARD SAID CUT-OFF MECHANISM.
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) | 1969-09-19 | 1970-03-21 | 1970-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-19 | 1974-03-21 | 1974-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-19 | 1978-03-21 | 1978-09-20 | $7700.00 | Window Closed / Lapsed |