US3259805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic based printed circuits
Assignee: Westinghouse Electric Corp
•
Filing: 1963-02-06
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Granted: 1966-07-05
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Expires: 1983-02-06
Abstract
No abstract record available.
Inventors
- 👤 Edward A Osipchak
- 👤 Leland L Kessler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 17:08
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/0058; H05K3/0061; H05K1/00; H05K1/02; H05K1/03; H05K1/0393; H05K1/18; H05K1/189; H05K2201/00; H05K2201/09; H05K2201/09209; H05K2201/095; H05K2201/096; H05K2203/00; H05K2203/13; H05K2203/1305; H05K2203/1316; H05K3/22; H05K3/28; H05K3/284; H05K3/44; H05K3/445
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
AN ELECTRICALLY INSULATED THERMALLY CONDUCTIVE PRINTED CIRCUIT STRUCTURE COMPRISING, IN COMBINATION, A SHAPED METALLIC BASE MEMBER HAVING A FIRST PLANAR SURFACE AREA AND A FLANGE PORTION EXTENDING ANGULARLY FROM THE FIRST PLANAR AREA TO FORM A SECOND PLANAR SURFACE AREA, AN ADHERENT THIN ESSENTIALLY RUPTURE FREE UNIFORM CONTINUOUS RESINOUS INSULATING COATING DEPOSITED ON THE FIRST SURFACE AREA, SAID SECOND SURFACE AREA BEING UNCOATED SO THAT HEAT MAY BE CONDUCTED THEREFROM AND A THIN FLEXIBLE PRINTED CIRCUIT COMPOSITE BONDED TO THE FIRST SURFACE AREA, SAID PRINTED CIRCUIT COMPRISING PLANAR CONDUCTORS AFFIXED TO A THIN INSULATING SHEET.
Claim 2
Dependent Claim
95 words
AN ELECTRICALLY INSULATED THERMALLY CONDUCTIVE PRINTED CIRCUIT STRUCTURE COMPRISING, IN COMBINATION, A SHAPED METALLIC BASE MEMBER HAVING A FIRST PLANAR SURFACE AREA AND A FLANGE PORTION EXTENDING ANGULARLY FROM THE FIRST PLANAR AREA TO FORM A SECOND PLANAR SURFACE AREA, AN ADHERENT THIN ESSENTIALLY RUPTURE FREE UNIFORM CONTINUOUS RESINOUS INSULATING COATING DEPOSITED ON THE FIRST SURFACE AREA, SAID SECOND SURFACE AREA BEING UNCOATED SO THAT HEAT MAY BE CONDUCTED THEREFROM AND A THIN FLEXIBLE PRINTED CIRCUIT COMPOSITE BONDED TO THE FIRST SURFACE AREA, SAID PRINTED CIRCUIT COMPRISING PLANAR CONDUCTORS AFFIXED TO A THIN INSULATING SHEET.
References Cited (Backward Citations)
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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) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |