Patent US2644541A successfully refreshed from Google Patents.
Patent US3085295A successfully refreshed from Google Patents.
US3085295A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making inlaid circuits
Assignee: Individual
•
Filing: 1957-04-30
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Granted: 1963-04-16
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Expires: 1977-04-30
Abstract
No abstract record available.
Inventors
- 👤 Michael A Pizzino
- 👤 Felix J Randino
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:57
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/10; H05K3/20; H05K3/207; H05K1/00; H05K1/02; H05K1/09; H05K1/092; H05K1/095; H05K2201/00; H05K2201/03; H05K2201/0332; H05K2201/0364; H05K2201/0376; H05K2201/09; H05K2201/09009; H05K2201/09118; H05K2203/00; H05K2203/01; H05K2203/0147; H05K2203/0152; H05K2203/016; Y; Y10; Y10S; Y10S29/00; Y10S29/029; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
180 words
THE METHOD OF PRODUCING AN EMBEDDED PRINTED CIRCUIT WITH IMPROVED ADHESION OF THE ELECTRICALLY CONDUCTING STRIP TO THE NON-CONDUCTING BASE MATERIAL THAT WILL WITHSTAND SEVERE USAGE CONDITIONS SUCH AS HEAT, HUMIDITY, THERMAL SHOCK, SALT SPRAY AND CORROSIVE ATMOSPHERE, WHICH COMPRISES COATING A CASTING FACE OF A MOLD MEMBER WITH A RELEASE AGENT, APPLYING TO SUCH COATED FACE AN ELECTRICALLY CONDUCTING LAYER IN A DESIRED CIRCUIT PATTERN, CONFINING A SECOND MOLD MEMBER IN FACE TO FACE ALIGNMENT WITH SAID COATED AND LAYERED FACE, WITH THE INNER FACE OF SAID SECOND MEMBER COATED WITH A RELEASE AGENT, WITH A SPACING GASKET CONFINED BETWEEN AND SPACING APART THE MARGINS OF THE ADJACENT FACES OF SAID MEMBERS, BUT WITH A GAP IN THE GASKET ALONG ONE EDGE OF THE ASSEMBLED MEMBERS, CASTING BETWEEN SAID FACES A NON-CONDUCTING EMBEDDING RESIN INTRODUCED THROUGH SAID GAP, CAUSING CURING OF SAID RESIN IN SITU IN SAID SPACE BETWEEN SAID MEMBERS, AND THEN SEPARATING SAID MEMBERS AND STRIPPING SAID RESIN CASTING FROM THE COATED MOLD FACES WITH THE LAYERED PATTERN ADHERING TO AND EMBEDDED FLUSH IN THE RESIN CASTING.
Claim 2
Independent Claim
180 words
THE METHOD OF PRODUCING AN EMBEDDED PRINTED CIRCUIT WITH IMPROVED ADHESION OF THE ELECTRICALLY CONDUCTING STRIP TO THE NON-CONDUCTING BASE MATERIAL THAT WILL WITHSTAND SEVERE USAGE CONDITIONS SUCH AS HEAT, HUMIDITY, THERMAL SHOCK, SALT SPRAY AND CORROSIVE ATMOSPHERE, WHICH COMPRISES COATING A CASTING FACE OF A MOLD MEMBER WITH A RELEASE AGENT, APPLYING TO SUCH COATED FACE AN ELECTRICALLY CONDUCTING LAYER IN A DESIRED CIRCUIT PATTERN, CONFINING A SECOND MOLD MEMBER IN FACE TO FACE ALIGNMENT WITH SAID COATED AND LAYERED FACE, WITH THE INNER FACE OF SAID SECOND MEMBER COATED WITH A RELEASE AGENT, WITH A SPACING GASKET CONFINED BETWEEN AND SPACING APART THE MARGINS OF THE ADJACENT FACES OF SAID MEMBERS, BUT WITH A GAP IN THE GASKET ALONG ONE EDGE OF THE ASSEMBLED MEMBERS, CASTING BETWEEN SAID FACES A NON-CONDUCTING EMBEDDING RESIN INTRODUCED THROUGH SAID GAP, CAUSING CURING OF SAID RESIN IN SITU IN SAID SPACE BETWEEN SAID MEMBERS, AND THEN SEPARATING SAID MEMBERS AND STRIPPING SAID RESIN CASTING FROM THE COATED MOLD FACES WITH THE LAYERED PATTERN ADHERING TO AND EMBEDDED FLUSH IN THE RESIN CASTING.
References Cited (Backward Citations)
US2431393A
Cited
US1963834A
Cited
US2061106A
Cited
US2273700A
Cited
US2447541A
Cited
US2444997A
Cited
US2486148A
Cited
US2482094A
Cited
US2639213A
Cited
US2636073A
Cited
US2724674A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |