US3135823A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metallic element embedding process and product
Assignee: Individual
•
Filing: 1960-06-28
•
Granted: 1964-06-02
•
Expires: 1980-06-28
Abstract
No abstract record available.
Inventors
- 👤 Pritikin Nathan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:15
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/10; H05K3/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
118 words
A PROCESS FOR EDMBEDDING A METALLILC SHEET IN A PREDETERMINED PATTERN IN A BASE SUPPORT, WHICH COMPRISES APPLYING A RESIST TO A METALLIC SHEET IN SAID PREDETERMINED PATTERN, CHEMICALLY ETCHING THROUGH THE EXPOSED PORTIONS OF SAID SHEET WITH A SOLVENT FOR SAID METALLIC SHEET WHICH IS RELATIVELY INACTIVE TOWARD SAID RESIST, WHEREBY SAID SHEET IS BROUGHT TO SAID PREDETERMINED PATTERN WITH RECESSED CONCAVE EDGES, AND EMBEDDING THE REMAINING PORTIONS OF SAID SHEET IN HARDENABLE PLASTIC MATERIAL, SAID PLASTIC MATERIAL BEING MADE FLUSH WITH SAID REMAINING PORTIONS OF SAID SHEET, WHEREBY SAID PLASTIC MATERIAL FORMS A BASE SUPPORT WITH SAID REMAINING PORTION S OF SAID SHEET EMBEDDED THEREIN IN MECHANICALLY INTERLOCKED RELATIONSHIP BY VIRTUE OF SAID RECESSED CONCAVE EDGES.
Claim 2
Dependent Claim
118 words
A PROCESS FOR EDMBEDDING A METALLILC SHEET IN A PREDETERMINED PATTERN IN A BASE SUPPORT, WHICH COMPRISES APPLYING A RESIST TO A METALLIC SHEET IN SAID PREDETERMINED PATTERN, CHEMICALLY ETCHING THROUGH THE EXPOSED PORTIONS OF SAID SHEET WITH A SOLVENT FOR SAID METALLIC SHEET WHICH IS RELATIVELY INACTIVE TOWARD SAID RESIST, WHEREBY SAID SHEET IS BROUGHT TO SAID PREDETERMINED PATTERN WITH RECESSED CONCAVE EDGES, AND EMBEDDING THE REMAINING PORTIONS OF SAID SHEET IN HARDENABLE PLASTIC MATERIAL, SAID PLASTIC MATERIAL BEING MADE FLUSH WITH SAID REMAINING PORTIONS OF SAID SHEET, WHEREBY SAID PLASTIC MATERIAL FORMS A BASE SUPPORT WITH SAID REMAINING PORTION S OF SAID SHEET EMBEDDED THEREIN IN MECHANICALLY INTERLOCKED RELATIONSHIP BY VIRTUE OF SAID RECESSED CONCAVE EDGES.
Claim 3
Dependent Claim
61 words
A "PRINTED CIRCUIT" COMPRISING A THIN CONDUCTIVE METALLIC CIRCUIT PATTERN INCLUDING AT LEAST TWO TERMINAL PORTIONS FOR EFFECTING AN ELECTRICAL CONNECTION AND HAVING ETCHED UNDERCUT, GENERALLY CONCAVE EDGES EMBEDDED IN A HARDENED INSULATORY SUPPORT WITH ONE SURFACE OF THE FOIL SUBSTANTIALLY FLUSH WITH ONE SURFACE OF THE SUPPORT AND WITH THE CONCAVE METALLIC EDGES DISPOSED IN INTERLOCKING RELATIONSHIP WITH THE SUPPORT.
Claim 4
Dependent Claim
61 words
A "PRINTED CIRCUIT" COMPRISING A THIN CONDUCTIVE METALLIC CIRCUIT PATTERN INCLUDING AT LEAST TWO TERMINAL PORTIONS FOR EFFECTING AN ELECTRICAL CONNECTION AND HAVING ETCHED UNDERCUT, GENERALLY CONCAVE EDGES EMBEDDED IN A HARDENED INSULATORY SUPPORT WITH ONE SURFACE OF THE FOIL SUBSTANTIALLY FLUSH WITH ONE SURFACE OF THE SUPPORT AND WITH THE CONCAVE METALLIC EDGES DISPOSED IN INTERLOCKING RELATIONSHIP WITH THE SUPPORT.
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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) | 1967-06-02 | 1967-12-02 | 1968-06-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-02 | 1971-12-02 | 1972-06-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-02 | 1975-12-02 | 1976-06-02 | $7700.00 | Window Closed / Lapsed |