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US3223327A Expired / Lapsed US ⏱️ 0.0 years remaining

Rail section for toy and model railroads

Assignee: Individual
•
Filing: 1960-01-18
•
Granted: 1965-12-14
•
Expires: 1980-01-18
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Abstract

No abstract record available.

Inventors

  • 👤 Opfermann Adolf

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 04:16
CPC Classifications
A; A63; A63H; A63H19/00; A63H19/30

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 176 words
A BASE STRUCTURE FOR SUPPORTING A MINIATURE RAILROAD TRACK MADE OF DETACHABLY LENGTHWISE SECTIONS WHICH CAN BE ASSEMBLED IN A PLURALITY OF FORMATIONS AND TO AFFORD ELECTRIC POWER OUTLETS THEREALONG FOR CONNECTIONS TO ACCESSORIES, COMPRISING A PLURALITY OF BASE MEMBERS SET END TO END IN SUCCESSIVE EXTENSION; THE SHAPE OF EACH BASE MEMBER CONFORMING WITH THAT OF THE TRACK SECTION IT SHALL CARRY, SETS OF ELECTRICAL CONDUCTORS, ONE SUCH SET OF CONDUCTORS CARRIED INSULATED FROM EACH OTHER ON EACH BASE MEMBER ALONG EACH TRACK MEMBER RESPECTIVELY, MEANS ON EACH BASE MEMBER AUTOMATICALLY ELECTRICALLY CONNECTING CORRESPONDING CONDUCTORS ON ADJACENT BASE MEMBERS WHEN SUCH BASE MEMBERS ARE ASSOCIATED IN EXTENSION OF EACH OTHER, MEANS ON EACH OF THE BASE MEMBERS FOR PHYSICALLY CONNECTING THEM IN SUCCESSIVE EXTENSION AMD A SET OF ELECTRICALLY-CONDUCTIVE TERMINAL ELEMENTS ON AT LEAST SOME OF THE BASE MEMBERS, RESPECTIVELY ELECTRICALLY CONNECTED TO THE CONDUCTORS CARRIED BY THE BASE SECTION THEY ARE ON; SUCH TERMINALS BEING ACCESSIBLE FOR MAKING CONNECTION THERETO RESPECTIVELY AND POSITIONED THAT SUCH CONNECTIONS PERMIT PASSAGE OF A TRAIN ALONG THE TRACK.

References Cited (Backward Citations)

US1590071A Cited
US2401468A Cited
US2669632A Cited
US2969919A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-12-13 1969-06-14 1969-12-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-12-13 1973-06-14 1973-12-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-12-13 1977-06-14 1977-12-14 $7700.00 Window Closed / Lapsed

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