Patent US4429350A successfully refreshed from Google Patents.
US4429350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underwater illumination device
Assignee: Individual
•
Filing: 1982-09-15
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Granted: 1984-01-31
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Expires: 2002-09-15
Abstract
Abstract A subsurface light comprising an illumination source and an elongate handle attached to and extending from the illumination source. The length of the handle is adjustable. The light further includes a buoyant body having generally planar inboard and outboard services connected to the handle inboard of the illumination source. At least one plate secured to the buoyant body is mounted to the handle by an integral flap.
Inventors
- 👤 Gaylord N. Guthrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:33
CPC Classifications
F; F21; F21V; F21V31/00; F21L; F21L14/00; F21V21/00; F21V21/14; F21V21/145; F21V21/22
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
64 words
Subsurface lighting apparatus comprising: illumination means; an elongate handle attached to and extending from said illumination means, said handle comprising means for selectively adjusting the length of said handle; and flotation means comprising a buoyant body having inboard and outboard surfaces, said buoyant body being connected to said handle inboard of said illumination means and at a non-perpendicular angle with respect to said handle.
Claim 2
Dependent Claim
64 words
Subsurface lighting apparatus comprising: illumination means; an elongate handle attached to and extending from said illumination means, said handle comprising means for selectively adjusting the length of said handle; and flotation means comprising a buoyant body having inboard and outboard surfaces, said buoyant body being connected to said handle inboard of said illumination means and at a non-perpendicular angle with respect to said handle.
Claim 3
Dependent Claim
19 words
The apparatus of claim 1 further comprising a reflector plate secured against the outboard surface of said buoyant body.
Claim 4
Dependent Claim
16 words
The apparatus of claim 2 further comprising a transparent water-tight cover sealingly surrounding said illumination means.
Claim 5
Dependent Claim
15 words
The apparatus of claim 3 wherein said cover is removably attached to said buoyant body.
Claim 6
Dependent Claim
32 words
The apparatus of claim 1 wherein said means for adjusting the length of said handle is mechanical and manually operable and comprises means for selectively releasably fixing the length of said handle.
Claim 7
Dependent Claim
35 words
The apparatus of claim 2 wherein said reflector plate has an integral flap folded away from the remainder of said plate to form an opening receiving said handle, said flap being secured to said handle.
Claim 8
Dependent Claim
74 words
Subsurface lighting apparatus comprising: illumination means; an elongate handle attached to and extending from said illumination means; a buoyant body having generally planar inboard and outboard surfaces connected to said handle inboard of said illumination means; a reflector plate disposed against the outboard surface of said buoyant body; a backing plate disposed against the inboard surface of said buoyant body; and means clamping said buoyant body between said backing plate and said reflector plate.
Claim 9
Dependent Claim
74 words
Subsurface lighting apparatus comprising: illumination means; an elongate handle attached to and extending from said illumination means; a buoyant body having generally planar inboard and outboard surfaces connected to said handle inboard of said illumination means; a reflector plate disposed against the outboard surface of said buoyant body; a backing plate disposed against the inboard surface of said buoyant body; and means clamping said buoyant body between said backing plate and said reflector plate.
Claim 10
Dependent Claim
20 words
The apparatus of claim 7 wherein said buoyant body is disposed at a non-perpendicular angle with respect to said handle.
Claim 11
Dependent Claim
16 words
The apparatus of claim 7 further comprising a transparent water-tight cover sealingly surrounding said illumination means.
Claim 12
Dependent Claim
15 words
The apparatus of claim 9 wherein said cover is removably attached to said buoyant body.
Claim 13
Dependent Claim
38 words
The apparatus of claim 7 wherein at least one of said plates has an integral flap folded away from the remainder of said plate to form an opening receiving said handle, said flap being secured to said handle.
Claim 14
Dependent Claim
55 words
Subsurface lighting apparatus comprising: illumination means; an elongate handle attached to and extending from said illumination means; plate means disposed inboard of said illumination means, said plate means having an integral flap folded away from the remainder of said plate means to form an opening receiving said handle, said flap being secured to said handle.
Claim 15
Dependent Claim
55 words
Subsurface lighting apparatus comprising: illumination means; an elongate handle attached to and extending from said illumination means; plate means disposed inboard of said illumination means, said plate means having an integral flap folded away from the remainder of said plate means to form an opening receiving said handle, said flap being secured to said handle.
Claim 16
Dependent Claim
28 words
The apparatus of claim 12 wherein said plate means has a reflective outboard surface, said apparatus further comprising a buoyant body secured to said plate means inboard thereof.
References Cited (Backward Citations)
US895355A
Cited
US2089611A
Cited
DE1116103B
Cited
US3502861A
Cited
US3464139A
Cited
US3652846A
Cited
US3525765A
Cited
US3617733A
Cited
US3748457A
Cited
US3743380A
Cited
US3794825A
Cited
US3978330A
Cited
US4053758A
Cited
US4114187A
Cited
US4187533A
Cited
US4300186A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1987-01-30 | 1987-08-01 | 1988-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1991-01-30 | 1991-08-01 | 1992-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1995-01-30 | 1995-08-01 | 1996-01-31 | $7700.00 | Window Closed / Lapsed |