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US3238289A Expired / Lapsed US ⏱️ 0.0 years remaining

Multiple information conduit apparatus

Assignee: Individual
•
Filing: 1961-12-01
•
Granted: 1966-03-01
•
Expires: 1981-12-01
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Abstract

No abstract record available.

Inventors

  • 👤 Dale C Rowe

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 12:30
CPC Classifications
H; H02; H02B; H02B5/00; H02G; H02G3/00; H02G3/22

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 138 words
AN NON-ENCLOSED PERMANENTLY POSITIONED LEAD-IN CONDUIT FOR VARIOUS USES, SUCH AS WITH UNDERGROUND SHELTERS, COMPRISING, IN COMBINATION A STATIONARY TUBULAR CASING OF CONDUCTIVE MATERIAL, A PLURALITY OF SPACED INSULATION RINGS CARRIED BY THE UPPER END PORTIONS OF SAID CASING, AT LEAST ONE ELECTRICAL CONDUCTOR ELEMENT MOUNTED ON EACH OF SAID INSULATION RINGS, SPACED ELECTRICAL CONDUCTORS WITHIN SAID CASING AND HAVING LOWER ENDS PROJECTING OUT OF THE LOWER END OF SAID CASING, ELECTRICAL INSULATION MEANS INSULATING SAID SPACED ELECTRICAL CONDUCTORS, AND MEANS CONNECTING THE UPPER END OF EACH OF SAID SPACED CONDUCTORS WHICH ARE WITHIN SAID TUBULAR CASING TO A CORRESPONDING ONE OF SAID CONDUCTOR ELEMENTS MOUNTED ON SAID INSULATION RINGS, OF SAID CASING INCLUDES AN ELBOW, AND A PERMANENT GROUND-SUPPORTED MEANS INDEPENDENT OF SAID SHELTER SUPPORTING SAID ELBOW AND ANCHORING SAID CASING AGAINST MOVEMENT RELATIVE TO THE GROUND.
Claim 2
Dependent Claim 138 words
AN NON-ENCLOSED PERMANENTLY POSITIONED LEAD-IN CONDUIT FOR VARIOUS USES, SUCH AS WITH UNDERGROUND SHELTERS, COMPRISING, IN COMBINATION A STATIONARY TUBULAR CASING OF CONDUCTIVE MATERIAL, A PLURALITY OF SPACED INSULATION RINGS CARRIED BY THE UPPER END PORTIONS OF SAID CASING, AT LEAST ONE ELECTRICAL CONDUCTOR ELEMENT MOUNTED ON EACH OF SAID INSULATION RINGS, SPACED ELECTRICAL CONDUCTORS WITHIN SAID CASING AND HAVING LOWER ENDS PROJECTING OUT OF THE LOWER END OF SAID CASING, ELECTRICAL INSULATION MEANS INSULATING SAID SPACED ELECTRICAL CONDUCTORS, AND MEANS CONNECTING THE UPPER END OF EACH OF SAID SPACED CONDUCTORS WHICH ARE WITHIN SAID TUBULAR CASING TO A CORRESPONDING ONE OF SAID CONDUCTOR ELEMENTS MOUNTED ON SAID INSULATION RINGS, OF SAID CASING INCLUDES AN ELBOW, AND A PERMANENT GROUND-SUPPORTED MEANS INDEPENDENT OF SAID SHELTER SUPPORTING SAID ELBOW AND ANCHORING SAID CASING AGAINST MOVEMENT RELATIVE TO THE GROUND.

References Cited (Backward Citations)

US1847272A Cited
US2232360A Cited
US2296984A Cited
US2525086A Cited
US2682609A Cited
US2912625A Cited
US2910524A Cited
US2871802A Cited
AT193960B Cited
US3059202A Cited
US3118148A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-02-28 1969-08-30 1970-03-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-02-28 1973-08-30 1974-03-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-02-28 1977-08-30 1978-03-01 $7700.00 Window Closed / Lapsed

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