Patent US3210728A successfully refreshed from Google Patents.
US3210728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traffic instructional means for incorporation in and use with electric traffic signal lights
Assignee: Individual
•
Filing: 1963-05-22
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Granted: 1965-10-05
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Expires: 1983-05-22
Abstract
No abstract record available.
Inventors
- 👤 Frank A Davis
- 👤 Herold H Losche
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:39
CPC Classifications
G; G08; G08G; G08G1/00; G08G1/09; G08G1/095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A TRAFFIC INSTRUCTIONAL MEANS FOR AN ELECTRIC TRAFFIC LIGHT SIGNAL IN ADDITION TO "STOP," "GO," AND "CAUTION" TRAFFIC LIGHT DIRECTIONS, COMPRISING: TRAFFIC INSTRUCTIONAL UNIT MEANS HAVING A SUBSTANTIALLY LIGHT IMPERVIOUS PORTION AROUND A TRAFFIC INSTRUCTION AND OF AT LEAST AS GREAT AN AREA AS THE TRAFFIC LIGHT BEAM AND TRANSPARENT PORTIONS CONSTITUTING THE TRAFFIC INSTRUCTION THEREIN, SAID TRAFFICE INSTRUCTIONAL UNIT MEANS BEING ATTACHED TO SAID ELECTRIC TRAFFIC LIGHT SIGNAL FOR INTERPOSITION IN THE LIGHT BEAM OF SELECTED LIGHTS OF SAID ELECTRIC TRAFFIC LIGHT SIGNAL FOR DISPLAY OF THE TRAFFIC INSTRUCTIONS THEREIN ALONG WITH SAID TRAFFIC DIRECTIONS AND FOR RETRACTION OF SAID TRAFFIC INSTRUCTIONAL UNIT MEANS FROM DISPLAY WITHIN SAID LIGHT BEAM OF THE SELECTED LIGHTS OF SAID TRAFFIC
Claim 2
Dependent Claim
118 words
A TRAFFIC INSTRUCTIONAL MEANS FOR AN ELECTRIC TRAFFIC LIGHT SIGNAL IN ADDITION TO "STOP," "GO," AND "CAUTION" TRAFFIC LIGHT DIRECTIONS, COMPRISING: TRAFFIC INSTRUCTIONAL UNIT MEANS HAVING A SUBSTANTIALLY LIGHT IMPERVIOUS PORTION AROUND A TRAFFIC INSTRUCTION AND OF AT LEAST AS GREAT AN AREA AS THE TRAFFIC LIGHT BEAM AND TRANSPARENT PORTIONS CONSTITUTING THE TRAFFIC INSTRUCTION THEREIN, SAID TRAFFICE INSTRUCTIONAL UNIT MEANS BEING ATTACHED TO SAID ELECTRIC TRAFFIC LIGHT SIGNAL FOR INTERPOSITION IN THE LIGHT BEAM OF SELECTED LIGHTS OF SAID ELECTRIC TRAFFIC LIGHT SIGNAL FOR DISPLAY OF THE TRAFFIC INSTRUCTIONS THEREIN ALONG WITH SAID TRAFFIC DIRECTIONS AND FOR RETRACTION OF SAID TRAFFIC INSTRUCTIONAL UNIT MEANS FROM DISPLAY WITHIN SAID LIGHT BEAM OF THE SELECTED LIGHTS OF SAID TRAFFIC
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) | 1968-10-04 | 1969-04-05 | 1969-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-04 | 1973-04-05 | 1973-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-04 | 1977-04-05 | 1977-10-05 | $7700.00 | Window Closed / Lapsed |