US3214827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical circuitry fabrication
Assignee: Unisys Corp
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Filing: 1962-12-10
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Granted: 1965-11-02
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Expires: 1982-12-10
Abstract
No abstract record available.
Inventors
- 👤 Le Roy A Prohofsky
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:28
CPC Classifications
H; H05; H05K; H05K3/00; H05K3/30; H05K3/32; H05K3/34; H05K3/3447; H01; H01R; H01R12/00; H01R12/50; H01R12/51; H01R12/52; H01R12/523; H05K3/36; H05K3/368; H05K1/00; H05K1/02; H05K1/14; H05K1/144; H05K2201/00; H05K2201/03; H05K2201/0302; H05K2201/0305; H05K2201/09; H05K2201/09209; H05K2201/095; H05K2201/09536; H05K2201/096; H05K2201/09818; H05K2201/09827; H05K2201/10; H05K2201/10227; H05K2201/10295; H05K2201/10303; H05K2201/10613; H05K2201/10954; H05K2201/10984; H05K2203/00; H05K2203/04; H05K2203/045; H05K2203/0475; H05K2203/07; H05K2203/0756; H05K2203/0776; H05K3/3494; H05K3/40; H05K3/4038; H05K3/4046; H05K3/46; H05K3/4611; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49117; Y10T29/49124; Y10T29/49126
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
177 words
THE SOLDERING METHOD FOR JOINING A PLURALITY OF APERTURED PRINTED CIRCUIT MEMBERS, WHICH METHOD INCLUDES THE STEPS OF: (A) FORMING A LINING OF ELECTRICALLY CONDUCTIVE MATERIAL ON AT LEAST A PORTION OF SELECTED APERTURE WALLS AND DISPOSING A PIECE OF A MATERIAL SUBSTANTIALLY WITHIN EACH OF THE LINED APERTURES, WHICH MATERIAL IS COMPOSED, AT LEAST IN PART, OF A SOLDER ALLOY; (B) STACKING THE PRINTED CIRCUIT MEMBERS SUCH THAT THE LINED APERTURES OF ONE CIRCUIT MEMBER ARE ALIGNED WITH THE LINED APERTURES IN THE NEXT ADJACENT CIRCUIT MEMBER SO AS TO FORM A PLURALITY OF SERIES OF ALIGNED LINED APERTURES; (C) ARRANGING AN INTERCONNECTING MEMBER ADJACENT AT LEAST ONE SERIES OF ALIGNED LINED APERTURES; (D) IMMERSING THE STACKED PRINTED CIRCUIT MEMBERS AND THE ARRANGED INTERCONNECTING MEMBER INTO AN OIL BATH HEATED TO A TEMPERATURE AT LEAST AS GREAT AS THE MELTING POINT TEMPERATURE OF THE SOLDER ALLOY; (E) AND URGING THE INTERCONNECTING MEMBER INTO A SERIES OF ALIGNED LINED APERTURES AFTER THE SOLDER ALLOY PORTION OF THE PIECE OF MATERIAL DISPOSED WITHIN EACH LINED APERTURE HAS MELTED.
Claim 2
Dependent Claim
177 words
THE SOLDERING METHOD FOR JOINING A PLURALITY OF APERTURED PRINTED CIRCUIT MEMBERS, WHICH METHOD INCLUDES THE STEPS OF: (A) FORMING A LINING OF ELECTRICALLY CONDUCTIVE MATERIAL ON AT LEAST A PORTION OF SELECTED APERTURE WALLS AND DISPOSING A PIECE OF A MATERIAL SUBSTANTIALLY WITHIN EACH OF THE LINED APERTURES, WHICH MATERIAL IS COMPOSED, AT LEAST IN PART, OF A SOLDER ALLOY; (B) STACKING THE PRINTED CIRCUIT MEMBERS SUCH THAT THE LINED APERTURES OF ONE CIRCUIT MEMBER ARE ALIGNED WITH THE LINED APERTURES IN THE NEXT ADJACENT CIRCUIT MEMBER SO AS TO FORM A PLURALITY OF SERIES OF ALIGNED LINED APERTURES; (C) ARRANGING AN INTERCONNECTING MEMBER ADJACENT AT LEAST ONE SERIES OF ALIGNED LINED APERTURES; (D) IMMERSING THE STACKED PRINTED CIRCUIT MEMBERS AND THE ARRANGED INTERCONNECTING MEMBER INTO AN OIL BATH HEATED TO A TEMPERATURE AT LEAST AS GREAT AS THE MELTING POINT TEMPERATURE OF THE SOLDER ALLOY; (E) AND URGING THE INTERCONNECTING MEMBER INTO A SERIES OF ALIGNED LINED APERTURES AFTER THE SOLDER ALLOY PORTION OF THE PIECE OF MATERIAL DISPOSED WITHIN EACH LINED APERTURE HAS MELTED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |