US3182115A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Large-power dissipating transistor mounting
Assignee: Individual
•
Filing: 1963-08-02
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Granted: 1965-05-04
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Expires: 1983-08-02
Abstract
No abstract record available.
Inventors
- 👤 Stephen F Moran
- 👤 William E Ballard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:01
CPC Classifications
H; H10; H10W; H10W40/00; H10W40/60; H10W40/611; H10W40/20; H10W40/231; H10W40/235
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
124 words
A TRANSISTOR MOUNTING, ADAPTED TO SUPPORT LARGEPOWER-DISSIPATING TRANSISTORS OF THE TYPE HAVING A THREADED BASE, WHICH COMPRISES: A THERMALLY-CONDUCTIVE MOUNTING BASE HAVING INTERNAL AND EXTERNAL SURFACES, SAID EXTERNAL SURFACE BEING FORMED WITH AT LEAST ONE BOSS-LIKE PROJECTING PORTION AND SAID INTERNAL SURFACE HAVING A RECEPTACLE HOLE EXTENDING INTO EACH OF SAID BOSS-LIKE PORTIONS, A THERMALLY-CONDUCTIVE METAL BUSHING SEATED IN EACH RECEPTACLE HOLE OF SAID MOUNTING BASE IN AN INTERFERENCE FIT TO PREVENT RELATIVE MOVEMENT OF SAID BUSHING WITH RESPECT TO ITS ASSOCIATED RECPTACLE HOLE, SAID BUSHING BEING INTERNALLY THREADED TO COMPLEMENTARILY MATE WITH THE BASE OF THE TRANSISTOR ASSOCIATED THEREWITH AND BEING HARD-ANODIZED ON ITS OUTER SURFACE ALONG ALL POINTS WHERE SAID BUSHING IS IN THERMAL AND POSSIBLE ELECTRICAL COMMUNICATION WITH SAID MOUNTING BASE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-05-03 | 1968-11-02 | 1969-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-03 | 1972-11-02 | 1973-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-03 | 1976-11-02 | 1977-05-04 | $7700.00 | Window Closed / Lapsed |