US3554060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die plates
Assignee: Dayton Perforators Inc
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Filing: 1967-08-11
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Granted: 1971-01-12
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Expires: 1987-08-11
Abstract
Abstract A UNIQUE STOCK DIE PLATE FORMED WITH STAGGERED HOLDDOWN OPENINGS ARRANGED IN A TRUSS PATTERN TO PROVIDE THE PLATE WITH MAXIMUM TOOLING AREA AND WITH INCREASED STRENGTH AND RIGIDITY ON MOUNT THEREOF TO A DIE SHOE, SAID PLATE ALSO FEATURING KEY APERTURES AFFORDING BOTH DATUM CONTROL ENABLING A FAST AND ACCURATE LOCATION OF HOLES AND VARIOUS TOOL COMPONENTS WHICH MAY SUBSEQUENTLY BE MACHINED IN OR ATTACHED TO THE DIE PLATE AND MEANS FOR A RADIAL LOCK OF SIMILAR STACKED PLATES, SAID PLATE, AS DESCRIBED, BEING SO DESIGNED THAT A PLURALITY THEREOF PROVIDES AN IMPROVED DIE ASSEMBLY THE COMPONENTS OF WHICH MAY BE READILY INTERCHANGED OR SUBSTITUTED FOR BY LIKE PLATES.
Inventors
- 👤 Robert J Gargrave
- 👤 Allan E Randolph Sr
- 👤 Ludomil A Holiga
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:07
CPC Classifications
B; B21; B21D; B21D28/00; B21D28/24; B21D28/34; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49895; Y10T29/49897; Y10T83/00; Y10T83/869; Y10T83/8798; Y10T83/8812
Claims Analysis
Total Claims: 0
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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) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |