Patent US1456403A successfully refreshed from Google Patents.
Patent US3217209A successfully refreshed from Google Patents.
US3217209A
Expired / Lapsed
US
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Printed circuits with resistive and capacitive elements
Assignee: Xerox Corp
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Filing: 1960-05-12
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Granted: 1965-11-09
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Expires: 1980-05-12
Abstract
No abstract record available.
Inventors
- 👤 John J Kinsella
- 👤 Frederick A Schwertz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:05
CPC Classifications
H; H01; H01G; H01G2/00; H05; H05K; H05K1/00; H05K1/16; H05K1/162; H05K1/167; H05K2201/00; H05K2201/03; H05K2201/0302; H05K2201/0317; H05K2201/09; H05K2201/09209; H05K2201/09654; H05K2201/09763; H05K3/00; H05K3/02; H05K3/06; H05K3/061; H05K3/38; H05K3/388
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
103 words
A MULTI-LAYER PRINTED CIRCUIT MATERIAL FROM WHICH TO FORM PRINTED CIRCUIT COMPONENTS IN CIRCUITED RELATION COMPRISING A DIELECTRIC SUBSTRATE COATED ON AT LEAST ONE SIDE WITH A LAYER OF RESISTANCE MATERIAL, A FIRST LAYER OF CONDUCTIVE MATERIAL BONDED TO SAID LAYER OF RESISTANCE MATERIAL, A LAYER OF DIELECTRIC MATERIAL COATED ON A PORTION ONLY OF SAID FIRST LAYER OF CONDUCTIVE MATERIAL AND BONDED THERETO AND A SECOND LAYER OF CONDUCTIVE MATERIAL UNIFORMLY COVERING SAID DIELECTRIC LAYER AND THE EXPOSED AREAS OF SAID FIRST LAYER OF CONDUCTIVE MATERIAL AND ELECTRICALLY ISOLATED FROM SAID FIRST LAYER ON AT LEAST ONE EDGE OF SAID DIELECTRIC LAYER.
Claim 2
Dependent Claim
103 words
A MULTI-LAYER PRINTED CIRCUIT MATERIAL FROM WHICH TO FORM PRINTED CIRCUIT COMPONENTS IN CIRCUITED RELATION COMPRISING A DIELECTRIC SUBSTRATE COATED ON AT LEAST ONE SIDE WITH A LAYER OF RESISTANCE MATERIAL, A FIRST LAYER OF CONDUCTIVE MATERIAL BONDED TO SAID LAYER OF RESISTANCE MATERIAL, A LAYER OF DIELECTRIC MATERIAL COATED ON A PORTION ONLY OF SAID FIRST LAYER OF CONDUCTIVE MATERIAL AND BONDED THERETO AND A SECOND LAYER OF CONDUCTIVE MATERIAL UNIFORMLY COVERING SAID DIELECTRIC LAYER AND THE EXPOSED AREAS OF SAID FIRST LAYER OF CONDUCTIVE MATERIAL AND ELECTRICALLY ISOLATED FROM SAID FIRST LAYER ON AT LEAST ONE EDGE OF SAID DIELECTRIC LAYER.
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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) | 1968-11-08 | 1969-05-10 | 1969-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-08 | 1973-05-10 | 1973-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-08 | 1977-05-10 | 1977-11-09 | $7700.00 | Window Closed / Lapsed |