Patent US4197573A successfully refreshed from Google Patents.
US4197573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Size adjustable drop light construction
Assignee: Individual
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Filing: 1978-07-17
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Granted: 1980-04-08
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Expires: 1998-07-17
Abstract
Abstract A drop light assembly, particularly, for use on automotive vehicles which includes a hollow frame; a retractable and rotatable hook at each end of the frame, at least one of the hooks being connected through a spring to a center post in the frame and lamp sockets fitted with reflective shields mounted on the underside of the frame near each end.
Inventors
- 👤 Stephen M. Thatch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:22
CPC Classifications
F; F21; F21V; F21V21/00; F21V21/08; F21V21/088; F21V21/0885; F21L; F21L14/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
59 words
A size adjustable drop light assembly comprising an elongated hollow frame; hook retractably and rotatably mounted at each end of said frame; spaced brackets fixed to said frame and facing in opposite directions; sockets fixed to said brackets, light bulbs in said sockets and shields mounted on said sockets over said bulbs to direct light away from said frame.
Claim 2
Dependent Claim
59 words
A size adjustable drop light assembly comprising an elongated hollow frame; hook retractably and rotatably mounted at each end of said frame; spaced brackets fixed to said frame and facing in opposite directions; sockets fixed to said brackets, light bulbs in said sockets and shields mounted on said sockets over said bulbs to direct light away from said frame.
Claim 3
Dependent Claim
35 words
The invention as recited in claim 1, including a post fixed in the center of said frame and springs secured at their inward end to said post and at their outward ends to said hooks.
References Cited (Backward Citations)
US3601598A
Cited
US3808420A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1983-04-08 | 1983-10-08 | 1984-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-04-08 | 1987-10-08 | 1988-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-04-08 | 1991-10-08 | 1992-04-08 | $7700.00 | Window Closed / Lapsed |