US3821860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable internally illuminated sign
Assignee: Individual
•
Filing: 1973-02-09
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Granted: 1974-07-02
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Expires: 1993-02-09
Abstract
Abstract An internally illuminated sign comprising a hollow body of translucent material, a reflective material on the inner perimetral surface of the body, and a source of light in the form of an ordinary flashlight secured to the body such that the lens is disposed internally of the body and the handle projects therefrom and serves as a means of manually holding the sign as desired.
Inventors
- 👤 R Patty
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 08:45
CPC Classifications
G; G09; G09F; G09F13/00; G09F13/16
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
189 words
An internally illuminated sign comprising a hollow body which is at least in part translucent, a reflective material on angularly related inner surfaces of said body, said body having opposed translucent faces and a perimetral side opposite at least one of said surfaces, a flashlight mounted on said body with the lens and reflector thereof disposed within said body such that the optical axis is substantially parallel to said faces, said reflector being bowl-shaped and said lens being secured to the open end thereof, an opening in said opposite perimetral side which receives said reflector and lens, a bracket secured to the inner surface of said opposite perimetral side and having upstanding sides and a bottom which define a pocket with said perimetral side for receiving said reflector and lens, said lens engaging said bottom which is transparent in the portion thereof in registry with said lens, a retaining member secured to the outer surface of said opposite perimetral side and engaging a smaller diameter portion of said reflector thereby to secure said flashlight to said body, the handle of said flashlight serving as a handle for said sign.
Claim 2
Dependent Claim
189 words
An internally illuminated sign comprising a hollow body which is at least in part translucent, a reflective material on angularly related inner surfaces of said body, said body having opposed translucent faces and a perimetral side opposite at least one of said surfaces, a flashlight mounted on said body with the lens and reflector thereof disposed within said body such that the optical axis is substantially parallel to said faces, said reflector being bowl-shaped and said lens being secured to the open end thereof, an opening in said opposite perimetral side which receives said reflector and lens, a bracket secured to the inner surface of said opposite perimetral side and having upstanding sides and a bottom which define a pocket with said perimetral side for receiving said reflector and lens, said lens engaging said bottom which is transparent in the portion thereof in registry with said lens, a retaining member secured to the outer surface of said opposite perimetral side and engaging a smaller diameter portion of said reflector thereby to secure said flashlight to said body, the handle of said flashlight serving as a handle for said sign.
Claim 3
Dependent Claim
26 words
The sign of claim 1 in which said angularly related surfaces including a V-shaped surface having the apex thereof axially centered and projecting toward said lens.
Claim 4
Dependent Claim
54 words
The sign of claim 2 in which said body is hexagonal in shape and having opposed translucent faces, said angularly related surfaces including the perimetral sides of said body, said V-shaped surface being disposed on the side opposite said lens, and said flashlight being mounted in the perimetral side opposite to said V-shaped surface.
Claim 5
Dependent Claim
93 words
The sign of claim 1 in which said body is of translucent plastic having oppositely disposed separated faces, said body being of two halves joined together at the perimeters thereof, threaded fasteners securing said retaining member and said bracket to said opposite perimetral side, said retaining member being in the form of a plate having an opening therein which receives said handle, the depth of said pocket being such that the smaller diameter portion of said reflector engages said plate thereby to be clamped between said plate and the bottom of said bracket.
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) | 1977-07-01 | 1977-12-31 | 1978-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-01 | 1981-12-31 | 1982-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-01 | 1985-12-31 | 1986-07-02 | $7700.00 | Window Closed / Lapsed |