US3170635A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Luminaire assembly
Assignee: McGraw Edison Co
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Filing: 1962-08-15
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Granted: 1965-02-23
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Expires: 1982-08-15
Abstract
No abstract record available.
Inventors
- 👤 Paul J Curtin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:30
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/08; F21S8/085; F21S8/088
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
A LUMINAIRE COMPRISING A BASE ASSEMBLY FOR ATTACHMENT TO SUPPORTING STRUCTURE AND AN OPTICAL ASSEMBLY, SAID BASE ASSEMBLY INCLUDING LAMP HOLDING MEANS EXTENDING GENERALLY UPWARD FROM SAID BASE ASSEMBLY, SAID OPTICAL ASSEMBLY INCLUDING LIGHT MODIFYING MEANS AND A HOOD, A SUPPORT PLATE ENGAGING SAID BASE AND HAVING AN APERTURE DISPOSED IN SURROUNDING RELATION TO SAID LAMP HOLDING MEANS, SAID LIGHT MODIFYING MEANS EXTENDING GENERALLY UPWARDLY FROM SAID BASE PORTION AND BEING ENGAGED AT ITS LOWER END BY SAID SUPPORT PLATE, ELONGATE FASTENING MEANS EXTENDING BETWEEN SAID SUPPORT PLATE AND SAID HOOD FOR RELEASABLY HOLDING SAID LIGHT MODIFYING MEANS AND SAID HOOD IN A UNITARY ASSEMBLY, AND SECOND RELEASABLE FASTENING MEANS, INDEPENDENT OF SAID ELONGATE FASTENING MEANS AND EXTENDING BETWEEN SAID SUPPORT PLATE AND SAID BASE ASSEMBLY SO THAT SAID OPTICAL ASSEMBLY CAN BE RELEASABLY MOUNTED ON AND REMOVED FROM SAID BASE AS A UNITARY ASSEMBLY TO EXPOSE SAID LAMP HOLDING MEANS.
Claim 2
Dependent Claim
151 words
A LUMINAIRE COMPRISING A BASE ASSEMBLY FOR ATTACHMENT TO SUPPORTING STRUCTURE AND AN OPTICAL ASSEMBLY, SAID BASE ASSEMBLY INCLUDING LAMP HOLDING MEANS EXTENDING GENERALLY UPWARD FROM SAID BASE ASSEMBLY, SAID OPTICAL ASSEMBLY INCLUDING LIGHT MODIFYING MEANS AND A HOOD, A SUPPORT PLATE ENGAGING SAID BASE AND HAVING AN APERTURE DISPOSED IN SURROUNDING RELATION TO SAID LAMP HOLDING MEANS, SAID LIGHT MODIFYING MEANS EXTENDING GENERALLY UPWARDLY FROM SAID BASE PORTION AND BEING ENGAGED AT ITS LOWER END BY SAID SUPPORT PLATE, ELONGATE FASTENING MEANS EXTENDING BETWEEN SAID SUPPORT PLATE AND SAID HOOD FOR RELEASABLY HOLDING SAID LIGHT MODIFYING MEANS AND SAID HOOD IN A UNITARY ASSEMBLY, AND SECOND RELEASABLE FASTENING MEANS, INDEPENDENT OF SAID ELONGATE FASTENING MEANS AND EXTENDING BETWEEN SAID SUPPORT PLATE AND SAID BASE ASSEMBLY SO THAT SAID OPTICAL ASSEMBLY CAN BE RELEASABLY MOUNTED ON AND REMOVED FROM SAID BASE AS A UNITARY ASSEMBLY TO EXPOSE SAID LAMP HOLDING 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) | 1968-02-23 | 1968-08-24 | 1969-02-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-23 | 1972-08-24 | 1973-02-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-23 | 1976-08-24 | 1977-02-23 | $7700.00 | Window Closed / Lapsed |