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US3072783A Expired / Lapsed US ⏱️ 0.0 years remaining

Luminaire

Assignee: McGraw Edison Co
•
Filing: 1959-10-05
•
Granted: 1963-01-08
•
Expires: 1979-10-05
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Abstract

No abstract record available.

Inventors

  • 👤 Donald W Harling

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 06:53
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/086

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 166 words
A LUMINAIRE HAVING A HOOD PORTION AND A REFLECTOR PORTION DISPOSED ON THE LOWER END OF SAID HOOD PORTION, AN ELONGATE SUPPORTING MEMBER HAVING AN END DISPOSED ADJACENT SAID LUMINAIRE, LIGHT REFRACTING MEANS CONNECTED TO SAID REFLECTOR PORTION, AN APERTURE FORMED IN SAID HOOD PORTION, THE MARGIN OF SAID APERTURE BEING ADJACENT TO AND SPACED FROM SAID END OF THE SUPPORTING MEMBER, SLIPFITTING MEANS CONSTRUCTED AND ARRANGED TO MOUNT SAID LUMINAIRE ON SAID ELONGATE SUPPORTING MEMBER, SAID SLIPFITTER MEANS BEING AFFIXED TO SAID HOOD PORTION ADJACENT SAID APERTURE AND EXTENDING EXTERNALLY OF SAID HOOD PORTION, LUG MEANS EXTENDING INTEGRALLY FROM SAID SLIPFITTING MEANS AND THROUGH SAID OPENING INTERNALLY OF SAID HOOD PORTION, AND A LIGHT SOURCE MOUNTED ON SAID LUG MEANS, SAID SLIPFITTING MEANS HAVING A RECESS FOR TELESCOPICALLY RECEIVING SAID SUPPORTING STRUCTURE, A PAIR OF CIRCUMFERENTIALLY SPACED RIB PORTIONS FORMED IN SAID RECESS, FASTENING MEANS DISPOSED DIAMETRICALLY OPPOSITE TO SAID RIB PORTIONS TO PROVIDE A STABLE THREE POINT GRIPPING ACTION RELATIVE TO SAID SUPPORT MEANS.

References Cited (Backward Citations)

US1918031A Cited
US2078137A Cited
US2259107A Cited
US2253972A Cited
US2612600A Cited
US2489076A Cited
US2673287A Cited
US2710207A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1966-01-07 1966-07-09 1967-01-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1970-01-07 1970-07-09 1971-01-08 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1974-01-07 1974-07-09 1975-01-08 $7700.00 Window Closed / Lapsed

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