Patent US3271570A successfully refreshed from Google Patents.
US3271570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Light fixture assembly
Assignee: SMITHCRAFT CORP
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Filing: 1963-11-29
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Granted: 1966-09-06
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Expires: 1983-11-29
Abstract
No abstract record available.
Inventors
- 👤 Kruger Michael Henry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 13:29
CPC Classifications
F; F21; F21S; F21S8/00; F21S8/02; F21V; F21V19/00; F21Y; F21Y2103/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A LIGHTING FIXTURE ASSEMBLY ADAPTED T SUSPEND ELONGATED FLUORESCENT LAMPS IN LAMP HOLDERS HAVING SOCKETBEARING PORTIONS, COMPRISING A MAIN FIXTURE WITH SECONDARY LAMP-HOLDER LOCATING AND SUPPORTING CHANNELS EXTENDING ALONG THE OPPOSITE ENDS OF SAID HOUSING TRANSVERSE TO THE DIRECTION OF EXTENSION OF SAID LAMPS, EACH SAID CHANNEL HAVING A PAIR OF TRANSVERSELY EXTENDING OPPOSING WALLS, AND PRIMARY LAMP HOLDER LOCATING AND SUPPORTING ELONGATED SPACER STRIPS SIZED TO SLIDE TRANSVERSELY INTO SAID CHANNELS, SAID SPACER STRIPS BEING REMOVABLY LOCATED AND SUPPORTED BY SAID CHANNELS BETWEEN SAID WALLS AND HAVING OPENINGS FOR RECEIVING AND IN TURN LOCATING AND SUPPORTING SAID LAMP HOLDERS.
Claim 2
Dependent Claim
100 words
A LIGHTING FIXTURE ASSEMBLY ADAPTED T SUSPEND ELONGATED FLUORESCENT LAMPS IN LAMP HOLDERS HAVING SOCKETBEARING PORTIONS, COMPRISING A MAIN FIXTURE WITH SECONDARY LAMP-HOLDER LOCATING AND SUPPORTING CHANNELS EXTENDING ALONG THE OPPOSITE ENDS OF SAID HOUSING TRANSVERSE TO THE DIRECTION OF EXTENSION OF SAID LAMPS, EACH SAID CHANNEL HAVING A PAIR OF TRANSVERSELY EXTENDING OPPOSING WALLS, AND PRIMARY LAMP HOLDER LOCATING AND SUPPORTING ELONGATED SPACER STRIPS SIZED TO SLIDE TRANSVERSELY INTO SAID CHANNELS, SAID SPACER STRIPS BEING REMOVABLY LOCATED AND SUPPORTED BY SAID CHANNELS BETWEEN SAID WALLS AND HAVING OPENINGS FOR RECEIVING AND IN TURN LOCATING AND SUPPORTING SAID LAMP HOLDERS.
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) | 1969-09-05 | 1970-03-07 | 1970-09-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-05 | 1974-03-07 | 1974-09-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-05 | 1978-03-07 | 1978-09-06 | $7700.00 | Window Closed / Lapsed |