Patent US3564497A successfully refreshed from Google Patents.
US3564497A
Expired / Lapsed
US
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Vehicle signalling system
Assignee: Individual
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Filing: 1968-08-06
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Granted: 1971-02-16
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Expires: 1988-08-06
Abstract
Abstract A DEVICE FOR SIGNALLING MOTORISTS AND PEDESTRAINS BY USE OF AUDIO AND VISUAL SIGNALS DIRECTED DIRECTLY AT THEM THAT A VEHICLE IS MOVING OR IS CHANGING ITS DIRECTION. THE SIGNALLING DEVICE IS A LOCALIZED MESSAGE CENTER POSITIONED ON THE VEHICLE SUCH AS A SEMITRUCK AT THE POINT WHERE DANGER EXISTS THUS ALTERTING PEOPLE TO KEEP AWAY. AN IMPORTANT LOCATION FOR THE SIGNALLING UNIT IS ON THE RIGHT SIDE OF THE TRAILER OF A SEMIRUCK, TO SIGNAL THOSE IN AN AREA ALONG THE TRUCK THAT CANNOT SEE THE FRONT AND BACK TRUCK TURN SIGNALS AND CANNOT BE SEEN BY THE TRUCKDRIVER.
Inventors
- 👤 Joseph F Gazzo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:29
CPC Classifications
B; B60; B60Q; B60Q1/00; B60Q1/26; B60Q1/34; B60Q1/38
Claims Analysis
Total Claims: 0
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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) | 1974-02-15 | 1974-08-17 | 1975-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-02-15 | 1978-08-17 | 1979-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-02-15 | 1982-08-17 | 1983-02-16 | $7700.00 | Window Closed / Lapsed |