US3247369A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lighting fixture
Assignee: ENVIRONS Inc
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Filing: 1964-02-03
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Granted: 1966-04-19
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Expires: 1984-02-03
Abstract
No abstract record available.
Inventors
- 👤 William C Nanny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:31
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/04; F21V; F21V15/00; F21V15/01; F21V21/00; F21V21/02; F21Y; F21Y2103/00; F21Y2113/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
AN IMPROVED LIGHTING FIXTURE COMPRISING A BORDER MEMBER OF CAST FOAM MATERIAL HAVING A HOLLOW CENTER AND A SUBSTANTIAL WALL THICKNESS AT LEAST AT A REAR END THEREOF, A PLANAR REAR WALL EXTENDING ACROSS THE REAR END OF THE BORDER MEMBER AND SECURED THERETO, SAID BORDER AND REAR WALL PRESENTING A FLAT SURFACE FOR FLUSH ENGAGEMENT WITH A WALL OR CEILING SURFACE AND SAID REAR WALL HAVING AT LEAST ONE APERTURE THERETHROUGH TO ACCOMMODATE EXTENSION OF A LIGHT SOURCE INTO THE BORDER MEMBER, MOUNTING MEANS FOR SECURING SAID BORDER MEMBER UPON A WALL OR CEILING WITH THE REAR WALL IN FLUSH ENGAGEMENT THEREWITH, AND A LIGHT-TRANSMITTING PANEL DIMENSIONED TO FIT THE FRONT END OF SAID BORDER MEMBER IN CLOSING RELATION TO THE INTERIOR THEREOF AND REMOVABLY ENGAGING THE BORDER MEMBER FOR SEALING THE INTERIOR OF THE FIXTURE.
Claim 2
Dependent Claim
137 words
AN IMPROVED LIGHTING FIXTURE COMPRISING A BORDER MEMBER OF CAST FOAM MATERIAL HAVING A HOLLOW CENTER AND A SUBSTANTIAL WALL THICKNESS AT LEAST AT A REAR END THEREOF, A PLANAR REAR WALL EXTENDING ACROSS THE REAR END OF THE BORDER MEMBER AND SECURED THERETO, SAID BORDER AND REAR WALL PRESENTING A FLAT SURFACE FOR FLUSH ENGAGEMENT WITH A WALL OR CEILING SURFACE AND SAID REAR WALL HAVING AT LEAST ONE APERTURE THERETHROUGH TO ACCOMMODATE EXTENSION OF A LIGHT SOURCE INTO THE BORDER MEMBER, MOUNTING MEANS FOR SECURING SAID BORDER MEMBER UPON A WALL OR CEILING WITH THE REAR WALL IN FLUSH ENGAGEMENT THEREWITH, AND A LIGHT-TRANSMITTING PANEL DIMENSIONED TO FIT THE FRONT END OF SAID BORDER MEMBER IN CLOSING RELATION TO THE INTERIOR THEREOF AND REMOVABLY ENGAGING THE BORDER MEMBER FOR SEALING THE INTERIOR OF THE FIXTURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |