Patent US3349162A successfully refreshed from Google Patents.
US3349162A
Expired / Lapsed
US
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Intra-connection techniques for multilayer printed wiring boards
Assignee: Automatic Electric Laboratories Inc
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Filing: 1965-08-23
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Granted: 1967-10-24
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Expires: 1985-08-23
Abstract
No abstract record available.
Inventors
- 👤 John C Eckhardt
- 👤 William L Yessa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:15
CPC Classifications
H; H05; H05K; H05K7/00; H05K7/02; H05K7/10; H05K7/1015; H05K7/1023; H05K3/00; H05K3/0073; H05K3/0082; H05K3/40; H05K3/403; H05K1/00; H05K1/02; H05K1/0284; H05K1/18; H05K1/182; H05K2201/00; H05K2201/09; H05K2201/09009; H05K2201/09063; H05K2201/09209; H05K2201/095; H05K2201/09581; H05K2201/09645; H05K3/42; H05K3/425; H05K3/427; H05K3/429; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49009; Y10T29/49011
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A MULTILAYER CIRCUIT BOARD COMPRISING: A PLURALITY OF INSULATING SHEETS HAVING A PREDETERMINED PATTERN OF CONDUCTORS PRINTED THEREON BONDED TOGETHER TO FORM A COMPOSITE BOARD HAVING PRINTED CONDUCTORS ON SEVERAL LAYERS THEREOF (EACH OF SAID SHEETS HAVING A PREDETERMINED PATTERN OF CONDUCTORS PRINTED THEREON; A PLURALITY OF SUBSTANTIALLY RECTANGULAR SLOTS), AT LEAST ONE APERTURE IN SAID BOARD EXTENDING FROM ONE TO THE OTHER EXTERNAL SURFACE THEREOF, CERTAIN OF SAID CONDUCTORS EXTENDING TO AND EXPOSED AT THE WALLS OF SAID APERTURE; AND A PLURALITY OF STRIPS OF CONDUCTING MATERIAL ON THE WALLS OF SAID APERTURE AND EXTENDING FROM SAID ONE TO SAID OTHER EXTERNAL SURFACE OF THE BOARD, ELECTRICALLY AND SELECTIVELY INTERCONNECTING THE CONDUCTORS EXISTING ON THE SEVERAL LAYERS OF THE COMPOSITE BOARD.
Claim 2
Dependent Claim
122 words
A MULTILAYER CIRCUIT BOARD COMPRISING: A PLURALITY OF INSULATING SHEETS HAVING A PREDETERMINED PATTERN OF CONDUCTORS PRINTED THEREON BONDED TOGETHER TO FORM A COMPOSITE BOARD HAVING PRINTED CONDUCTORS ON SEVERAL LAYERS THEREOF (EACH OF SAID SHEETS HAVING A PREDETERMINED PATTERN OF CONDUCTORS PRINTED THEREON; A PLURALITY OF SUBSTANTIALLY RECTANGULAR SLOTS), AT LEAST ONE APERTURE IN SAID BOARD EXTENDING FROM ONE TO THE OTHER EXTERNAL SURFACE THEREOF, CERTAIN OF SAID CONDUCTORS EXTENDING TO AND EXPOSED AT THE WALLS OF SAID APERTURE; AND A PLURALITY OF STRIPS OF CONDUCTING MATERIAL ON THE WALLS OF SAID APERTURE AND EXTENDING FROM SAID ONE TO SAID OTHER EXTERNAL SURFACE OF THE BOARD, ELECTRICALLY AND SELECTIVELY INTERCONNECTING THE CONDUCTORS EXISTING ON THE SEVERAL LAYERS OF THE COMPOSITE BOARD.
References Cited (Backward Citations)
US3052823A
Cited
US3102213A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |