Patent US526395A successfully refreshed from Google Patents.
Patent US3213730A successfully refreshed from Google Patents.
US3213730A
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Stagger blanking mechanism
Assignee: Textron Inc
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Filing: 1963-10-17
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Granted: 1965-10-26
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Expires: 1983-10-17
Abstract
No abstract record available.
Inventors
- 👤 Erwin B Byam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:46
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/02; B21D28/06; B21D28/08; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/05; Y10T83/202; Y10T83/2092; Y10T83/22; Y10T83/2205; Y10T83/444; Y10T83/4475; Y10T83/869; Y10T83/8742; Y10T83/8743
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
112 words
IN A MACHINE OF THE CLASS DESCRIBED HAVING A FRAME, A DIE BED, A MEMBER RECIPROCATED TOWARD AND FROM THE DIE BED, AND DRIVE MEANS FOR RECIPROCATING SAID MEMBER, THE COMBINATION COMPRISING A CARRIER SLIDABLY MOUNTED ON THE DIE BED AND HAVING AT LEAST A PORTION THEREOF SPACED FROM SAID DIE BED, A DIE MOUNTED IN SAID CARRIER IN SPACED RELATION WITH SAID DIE BED, A PUNCH SLIDABLY MOUNTED IN SAID CARRIER, MEANS SLIDABLY MOUNTING SAID PUNCH TO THE RECIPROCATED MEMBER, MEANS DRIVEN BY THE DRIVE MEANS FOR SLIDABLY SHIFTING SAID CARRIER IN TIMED RELATION TO THE RECIPROCATION OF THE MEMBER, AND PUSHER MEANS SLIDABLY POSITIONED BETWEEN SAID DIE BED AND SAID
References Cited (Backward Citations)
No citation records indexed.
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 |