US3129744A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sheet material stamping die
Assignee: Individual
•
Filing: 1959-06-26
•
Granted: 1964-04-21
•
Expires: 1979-06-26
Abstract
No abstract record available.
Inventors
- 👤 Albert E Payne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:39
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/02; B21D28/14; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
135 words
A COMPOSITE DIE STRUCTURE FOR BLANKING AND FORMING SHEET METAL COMPRISING; A PAIR OF FIRST AND SECOND METAL DIE SHOES ALIGNED TOGETHER, SAID FIRST SHOE HAVING A MALE DIE PORTION PROJECTING UPWARDLY FROM AND INTEGRALLY FORMED WITH SAID FIRST SHOE, SAID SECOND SHOE HAVING A FEMALE DIE PORTION INTEGRALLY FORMED WITH SAID SECOND SHOE AND HAVING A RECESS FORMED THEREIN FOR RECEIVING THE SAID MALE DIE FOR CUTTING SHEET METAL, AND SAID MALE AND FEMALE DIE PORTIONS EACH HAVING A FORMING DIE PORTION INTEGRALLY FORMED THEREWITH AND SELECTIVELY COOPERABLE FOR USE IN A FORMING OPERATION SUBSEQUENT TO THE CUTTING OPERATION PERFORMED BY THE SAID MALE AND FEMALE DIE PORTIONS, SAID SHOES, SAID MALE AND FEMALE DIE PORTIONS, AND SAID FORMING DIE PORTIONS ALL HAVING THE SAME HEAT TREATMENT CHARACTERISTICS PRIOR TO USING SAID DIE STRUCTURE.
Claim 2
Dependent Claim
135 words
A COMPOSITE DIE STRUCTURE FOR BLANKING AND FORMING SHEET METAL COMPRISING; A PAIR OF FIRST AND SECOND METAL DIE SHOES ALIGNED TOGETHER, SAID FIRST SHOE HAVING A MALE DIE PORTION PROJECTING UPWARDLY FROM AND INTEGRALLY FORMED WITH SAID FIRST SHOE, SAID SECOND SHOE HAVING A FEMALE DIE PORTION INTEGRALLY FORMED WITH SAID SECOND SHOE AND HAVING A RECESS FORMED THEREIN FOR RECEIVING THE SAID MALE DIE FOR CUTTING SHEET METAL, AND SAID MALE AND FEMALE DIE PORTIONS EACH HAVING A FORMING DIE PORTION INTEGRALLY FORMED THEREWITH AND SELECTIVELY COOPERABLE FOR USE IN A FORMING OPERATION SUBSEQUENT TO THE CUTTING OPERATION PERFORMED BY THE SAID MALE AND FEMALE DIE PORTIONS, SAID SHOES, SAID MALE AND FEMALE DIE PORTIONS, AND SAID FORMING DIE PORTIONS ALL HAVING THE SAME HEAT TREATMENT CHARACTERISTICS PRIOR TO USING SAID DIE STRUCTURE.
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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) | 1967-04-21 | 1967-10-21 | 1968-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-21 | 1971-10-21 | 1972-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-21 | 1975-10-21 | 1976-04-21 | $7700.00 | Window Closed / Lapsed |