US3125709A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Housing assembly
Assignee: —
•
Filing: —
•
Granted: 1964-03-17
•
Expires: 1981-03-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 17:41
CPC Classifications
H; H10; H10W; H10W76/00; H10W76/10; H10W76/17; H10W72/00; H10W76/60; H10W99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A SEMICONDUCTOR DEVICE COMPRISING AN OPEN ENDED CYLINDRICAL SHELL HAVING AN OUTER PERIPHERAL FLANGE AT THE EXTREME LOWER END THEREOF AND AN INNER PERIPHERAL LIP NEAR THE EXTREME UPPER END THEREOF; AN INSULATING WASHER HAVING AN ELECTRICAL CONDUCTOR PASSING THERETHROUGH, DISPOSED ON THE INNER PERIPHERAL LIP OF THE SHELL AND JOINED TO THE INNER PERIPHERY OF THE SHELL, A SECTION OF THE SHELL BEING SWAGED ONTO THE TOP SURFACE OF THE WASHER; AN ELECTRICALLY CONDUCTIVE MEMBER JOINED AT ONE END TO THE LOWER END OF THE ELECTRICAL CONDUCTOR PASSING THROUGH THE INSULATING WASHER, THE OTHER END BEING SOLDERED TO A SEMICONDUCTOR MEMBER WHICH IS DISPOSED WITHIN THE SHELL; A SHAPED HEAT DISSIPATING AND SUPPORT PLATE HAVING A CIRCULAR GROOVE WITHIN WHICH THE PERIPHAL FLANGE OF THE CYLINDRICAL SHELL IS DISPOSED AND CLOSELY FITS THEREIN, THE SEMICONDUCTOR MEMBER BEING SOLDERED TO THE TOP SURFACE OF THE PLATE, AND THE OUTER CIRCUMFERENTIAL EDGE OF THE GROOVE BEING STAKED ONTO THE UPPER SURFACE OF THE FLANGE THEREBY AFFIXING THE FLANGE IN THE GROOVE AND PROVIDING A HERMETIC ENCLOSURE FOR THE SEMICONDUCTOR MEMBER.
Claim 2
Dependent Claim
179 words
A SEMICONDUCTOR DEVICE COMPRISING AN OPEN ENDED CYLINDRICAL SHELL HAVING AN OUTER PERIPHERAL FLANGE AT THE EXTREME LOWER END THEREOF AND AN INNER PERIPHERAL LIP NEAR THE EXTREME UPPER END THEREOF; AN INSULATING WASHER HAVING AN ELECTRICAL CONDUCTOR PASSING THERETHROUGH, DISPOSED ON THE INNER PERIPHERAL LIP OF THE SHELL AND JOINED TO THE INNER PERIPHERY OF THE SHELL, A SECTION OF THE SHELL BEING SWAGED ONTO THE TOP SURFACE OF THE WASHER; AN ELECTRICALLY CONDUCTIVE MEMBER JOINED AT ONE END TO THE LOWER END OF THE ELECTRICAL CONDUCTOR PASSING THROUGH THE INSULATING WASHER, THE OTHER END BEING SOLDERED TO A SEMICONDUCTOR MEMBER WHICH IS DISPOSED WITHIN THE SHELL; A SHAPED HEAT DISSIPATING AND SUPPORT PLATE HAVING A CIRCULAR GROOVE WITHIN WHICH THE PERIPHAL FLANGE OF THE CYLINDRICAL SHELL IS DISPOSED AND CLOSELY FITS THEREIN, THE SEMICONDUCTOR MEMBER BEING SOLDERED TO THE TOP SURFACE OF THE PLATE, AND THE OUTER CIRCUMFERENTIAL EDGE OF THE GROOVE BEING STAKED ONTO THE UPPER SURFACE OF THE FLANGE THEREBY AFFIXING THE FLANGE IN THE GROOVE AND PROVIDING A HERMETIC ENCLOSURE FOR THE SEMICONDUCTOR MEMBER.
References Cited (Backward Citations)
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US2898668A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-17 | 1967-09-16 | 1968-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-17 | 1971-09-16 | 1972-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-17 | 1975-09-16 | 1976-03-17 | $7700.00 | Window Closed / Lapsed |