Patent US3273131A successfully refreshed from Google Patents.
US3559285A
Expired / Lapsed
US
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Method of forming leads for attachment to semi-conductor devices
Assignee: Jade Corp
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Filing: 1968-01-08
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Granted: 1971-02-02
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Expires: 1988-01-08
Abstract
Abstract A METHOD OF ATTACHING LEADS TO A SEMI-CONDUCTOR DEVICE INCLUDES THE STEPS OF INLAYING A CONTACTING METAL COMPATIBLE WITH A SEMI-CONDUCTOR ELEMENT ALONG A METAL STRIP, UPSETTING THE METAL STRIP AT SPACED PORTIONS THEREALONG SO AS TO PROVIDE A DEPRESSION ON ONE SIDE AND AN UPSTANDING PORTION ON THE OPPOSITE SIDE OF THE METAL STRIP, REMOVING THE UPSTANDING PORTION SO THAT THE INLAY AND STRIP IS SUBSTANTIALLY REDUCED IN THICKNESS AT SAID SPACED PORTIONS, AND THEN STAMPING THE STRIP AT SAID SPACED PORTIONS TO DEFINE THE INTEGRAL CANTILEVER LEADS HAVING THE CONTACTING METAL ON THEIR EXPOSED ENDS.
Inventors
- 👤 John Edward Kauffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:43
CPC Classifications
H; H10; H10W; H10W70/00; H10W70/40; H10W70/411; H10W70/415; H10W70/01; H10W70/04; H10W70/048; H10W70/421; H10W70/424; H10W72/00; H10W72/30; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49121; Y10T29/49799
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) | 1974-02-01 | 1974-08-03 | 1975-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-01 | 1978-08-03 | 1979-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-01 | 1982-08-03 | 1983-02-02 | $7700.00 | Window Closed / Lapsed |