Patent US3585585A successfully refreshed from Google Patents.
US3585585A
Expired / Lapsed
US
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Light transmitting signal strip on road
Assignee: Individual
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Filing: 1969-05-23
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Granted: 1971-06-15
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Expires: 1989-05-23
Abstract
Abstract A light transmitting plastic strip or ribbon employed in a system for guiding and/or signalling highway vehicular traffic, people walking in caves, people working in mines and people engaged in various activities where it is desirable to signal them or guide from a remote location. The light transmitting plastic is illuminated by the use of white and/or colored lights in a continuous or intermittent manner so that a desired signal or other information may be transmitted along the plastic strip or ribbon.
Inventors
- 👤 Frank A Grosz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 04:49
CPC Classifications
G; G08; G08B; G08B5/00; G08B5/22; G08B5/36; E; E01; E01F; E01F9/00; E01F9/20; E01F9/50; E01F9/576; E01F9/582
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
74 words
In combination with a roadway, an assembly for guiding or signalling people from a remote location comprising a light transmitting plastic strip having a first portion on the roadway and a second portion remote from the roadway and means adjacent said second portion and remote from the roadway for illuminating the plastic strip with the light being transmitted along the plastic strip to be observed by people at any point along said second portion.
Claim 2
Dependent Claim
74 words
In combination with a roadway, an assembly for guiding or signalling people from a remote location comprising a light transmitting plastic strip having a first portion on the roadway and a second portion remote from the roadway and means adjacent said second portion and remote from the roadway for illuminating the plastic strip with the light being transmitted along the plastic strip to be observed by people at any point along said second portion.
Claim 3
Dependent Claim
76 words
The structure as defined in claim 1 wherein said means for illuminating the plastic strip includes means for intermittently illuminating the strip to provide an intermittent guide or signal to the people observing the strip, said means for intermittently illuminating the plastic strip including a light bulb directed toward the plastic strip, and a movable curtain having sequential areas thereof opaque and transparent for movement between the light and plastic strip for intermittently illuminating the strip.
Claim 4
Dependent Claim
13 words
The structure as defined in claim 2 wherein said movable curtain is cylindrical.
Claim 5
Dependent Claim
25 words
The structure as defined in claim 3 wherein said plastic strip includes an arcuate portion disposed interiorly of the curtain in substantially concentric relation thereto.
Claim 6
Dependent Claim
52 words
The structure as defined in claim 4 together with an elongated lens holder disposed between the light bulb and curtAin, means supporting the holder for longitudinal adjustment in relation to the light bulb, and a plurality of transparent colored lenses in said holder to produce various colored lights on the plastic strip.
Claim 7
Dependent Claim
22 words
The structure as defined in claim 5 together with motor means for moving said movable curtain with respect to said light bulb.
Claim 8
Dependent Claim
40 words
The structure as defined in claim 6 wherein said means supporting the holder includes an elongated slot, and said lens holder includes an extended portion slidably engaged in said elongated slot to produce various colored lights on the plastic strip.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-14 | 1974-12-14 | 1975-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-14 | 1978-12-14 | 1979-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-14 | 1982-12-14 | 1983-06-15 | $7700.00 | Window Closed / Lapsed |