US3810091A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Warning sign
Assignee: Individual
•
Filing: 1972-05-11
•
Granted: 1974-05-07
•
Expires: 1992-05-11
Abstract
Abstract A portable warning sign including a sign panel, a lens at one edge of the panel, and a battery casing handle extending outwardly of lens portion and supporting batteries and light bulb operable within the lens.
Inventors
- 👤 W Hoover
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 15:02
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/22; G08B5/36
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
127 words
A portable warning sign, comprising: a sheet-like sign panel member having opposed faces, a peripheral edge and an opening along one portion of the peripheral edge; lens means overlying said opening in the sign panel member and having a lightbulb therein for illuminating the lens means and the opposed panel faces, said lens means being rounded and extending beyond the plane of the panel faces, the lens means being generally translucent and including a transparent light transmitting peripheral band; handle means connected to the panel member adjacent to said lens means, said handle means having means for supporting a source of power for said lightbulb; and switch means associated with said handle means for selectively energizing said lightbulb from said source of power for illuminating the bulb.
Claim 2
Dependent Claim
127 words
A portable warning sign, comprising: a sheet-like sign panel member having opposed faces, a peripheral edge and an opening along one portion of the peripheral edge; lens means overlying said opening in the sign panel member and having a lightbulb therein for illuminating the lens means and the opposed panel faces, said lens means being rounded and extending beyond the plane of the panel faces, the lens means being generally translucent and including a transparent light transmitting peripheral band; handle means connected to the panel member adjacent to said lens means, said handle means having means for supporting a source of power for said lightbulb; and switch means associated with said handle means for selectively energizing said lightbulb from said source of power for illuminating the bulb.
Claim 3
Dependent Claim
46 words
The warning sign of claim 1 wherein the lens means extends outwardly from both faces of the sign panel members and wherein a tubular handle capable of receiving dry cell batteries and supporting a light bulb is received within a peripheral opening in the lens means.
Claim 4
Dependent Claim
26 words
The warning sign of claim 2 wherein the lens means includes a peripheral flange which is secured to the sign panel member about the opening therein.
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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) | 1977-05-06 | 1977-11-05 | 1978-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-05-06 | 1981-11-05 | 1982-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-05-06 | 1985-11-05 | 1986-05-07 | $7700.00 | Window Closed / Lapsed |