Patent US3072783A successfully refreshed from Google Patents.
US3072783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminaire
Assignee: McGraw Edison Co
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Filing: 1959-10-05
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Granted: 1963-01-08
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Expires: 1979-10-05
Abstract
No abstract record available.
Inventors
- 👤 Donald W Harling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:48
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.
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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 |