← Back to Patent Explorer
US3217208A Expired / Lapsed US ⏱️ 0.0 years remaining

Utility printed circuit board

Assignee: Unisys Corp
•
Filing: 1960-03-18
•
Granted: 1965-11-09
•
Expires: 1980-03-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 William R Castro

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 04:18
CPC Classifications
H; H05; H05K; H05K1/00; H05K1/02; H05K1/0286; H05K1/0287; H05K1/11; H05K1/117; H05K2201/00; H05K2201/10; H05K2201/10227; H05K2201/10287

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 253 words
A UTILITY PRINTED CIRCUIT BOARD FOR MOUNTING A PLURALITY OF ELECTRICAL CIRCUIT COMPONENTS THEREON COMPRISING, A SUBSTANTIALLY FLAT PLANAR DIELECTRIC MEMBER HAVING BOTTOM AND TOP SURFACES, A PLURALITY OF DISCRETE ELECTRICALLY CONDUCTIVE SUBSTANTIALLY IDENTICAL AREAS DISPOSED ON THE BOTTOM OF SAID PLANAR MEMBER IN ROWS AND COLUMNS, AT LEAST A PORTION OF AN EDGE OF SAID PLANAR MEMBER BEING PROVIDED WITH A FIRST PLURALITY OF ELECTRICALLY CONDUCTIVE TABS EXTENDING TOWARD THE CENTRAL PORTION OF THE BOTTOM OF SAID PLANAR MEMBER, SAID TABS BEING DISPOSED IN SUBSTANTIALLY PARALLEL SIDE BY SIDE SPACED APART RELATION AND FORMING ELECTRICAL CONNECTORS FOR DETACHABLY MOUNTING SAID UTILITY BOARD INTO ASSOCIATED CIRCUITRY, A SECOND PLURALITY OF ELECTRICALLY CONDUCTIVE TABS DISPOSED ALONG AT LEAST A PORTION OF THE TOP OF SAID EDGE OF SAID PLANAR MEMBER, THE PORTIONS OF SAID FIRST AND SECOND PLURALITY OF TABS NEAREST THE EDGE OF SAID MEMBER BEING IN REGISTRY, AND A PLURALITY OF EQUALLY SPACED CONDUCTIVE PADS DISPOSED BETWEEN SAID FIRST MENTIONED TABS AND SAID COLUMNS OF CONDUCTIVE AREAS AND IN REGISTRY WITH SAID SECOND MENTIONED TABS FOR CONNECTING EACH OF SAID SECOND MENTIONED TABS TO A RESPECTIVE ONE OF SAID PADS, SAID DISCRETE CONDUCTIVE AREAS, SAID FIRST AND SECOND MENTIONED TABS, SAID PADS, AND THE PORTIONS OF THE DIELECTRIC MEMBER IN LINE THEREWITH HAVING HOLES THERETHROUGH WHEREBY ELECTRICAL COMPONENTS AND CONDUCTORS MAY BE SECURED ADJACENT THE TOP SURFACE OF SAID BOARD MEMBER WITH THE LEADS OF SAID ELECTRICAL COMPONENTS AND THE ENDS OF SAID CONDUCTORS BEING PASSED THROUGH SAID HOLES FOR ELECTRICAL CONNECTION.
Claim 2
Dependent Claim 253 words
A UTILITY PRINTED CIRCUIT BOARD FOR MOUNTING A PLURALITY OF ELECTRICAL CIRCUIT COMPONENTS THEREON COMPRISING, A SUBSTANTIALLY FLAT PLANAR DIELECTRIC MEMBER HAVING BOTTOM AND TOP SURFACES, A PLURALITY OF DISCRETE ELECTRICALLY CONDUCTIVE SUBSTANTIALLY IDENTICAL AREAS DISPOSED ON THE BOTTOM OF SAID PLANAR MEMBER IN ROWS AND COLUMNS, AT LEAST A PORTION OF AN EDGE OF SAID PLANAR MEMBER BEING PROVIDED WITH A FIRST PLURALITY OF ELECTRICALLY CONDUCTIVE TABS EXTENDING TOWARD THE CENTRAL PORTION OF THE BOTTOM OF SAID PLANAR MEMBER, SAID TABS BEING DISPOSED IN SUBSTANTIALLY PARALLEL SIDE BY SIDE SPACED APART RELATION AND FORMING ELECTRICAL CONNECTORS FOR DETACHABLY MOUNTING SAID UTILITY BOARD INTO ASSOCIATED CIRCUITRY, A SECOND PLURALITY OF ELECTRICALLY CONDUCTIVE TABS DISPOSED ALONG AT LEAST A PORTION OF THE TOP OF SAID EDGE OF SAID PLANAR MEMBER, THE PORTIONS OF SAID FIRST AND SECOND PLURALITY OF TABS NEAREST THE EDGE OF SAID MEMBER BEING IN REGISTRY, AND A PLURALITY OF EQUALLY SPACED CONDUCTIVE PADS DISPOSED BETWEEN SAID FIRST MENTIONED TABS AND SAID COLUMNS OF CONDUCTIVE AREAS AND IN REGISTRY WITH SAID SECOND MENTIONED TABS FOR CONNECTING EACH OF SAID SECOND MENTIONED TABS TO A RESPECTIVE ONE OF SAID PADS, SAID DISCRETE CONDUCTIVE AREAS, SAID FIRST AND SECOND MENTIONED TABS, SAID PADS, AND THE PORTIONS OF THE DIELECTRIC MEMBER IN LINE THEREWITH HAVING HOLES THERETHROUGH WHEREBY ELECTRICAL COMPONENTS AND CONDUCTORS MAY BE SECURED ADJACENT THE TOP SURFACE OF SAID BOARD MEMBER WITH THE LEADS OF SAID ELECTRICAL COMPONENTS AND THE ENDS OF SAID CONDUCTORS BEING PASSED THROUGH SAID HOLES FOR ELECTRICAL CONNECTION.

References Cited (Backward Citations)

US2916805A Cited
US2898518A Cited
US2951185A Cited
US2985709A Cited
US2883447A Cited

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

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag