Patent US4646208A successfully refreshed from Google Patents.
US4646208A
Expired / Lapsed
US
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Vehicle top mark
Assignee: Toyoda Gosei Co Ltd
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Filing: 1985-12-12
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Granted: 1987-02-24
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Expires: 2005-12-12
Abstract
Abstract A vehicle top mark including a base to be fixed to the body of a vehicle, a light-transmitting body that stands on the base, and a light source built into the base. The upper end of the light-transmitting body has an inclined surface that is inclined upward from the front side to the back side, so that the upward light, which passes through the light-transmitting body from the light source, is reflected to the back side of the light-transmitting body. The vehicle top mark is visible to the driver in the nighttime.
Inventors
- 👤 Ken-ichi Hayashi
- 👤 Kunikazu Hirozawa
- 👤 Masahiro Kotaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:27
CPC Classifications
B; B60; B60R; B60R13/00; B60R13/005; Y; Y10; Y10S; Y10S362/00; Y10S362/80
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
82 words
A vehicle top mark comprising: a base adapted to be fixed to the body of a vehicle, a light-transmitting body standing on said base, and a light source built into said base, said light-transmitting body having an upper end which has an inclined surface that is inclined upward from front to back, so that light, which passes upwards through said light-transmitting body from said light source, is totally reflected at said inclined surface and goes into the back of said light-transmitting body.
Claim 2
Dependent Claim
82 words
A vehicle top mark comprising: a base adapted to be fixed to the body of a vehicle, a light-transmitting body standing on said base, and a light source built into said base, said light-transmitting body having an upper end which has an inclined surface that is inclined upward from front to back, so that light, which passes upwards through said light-transmitting body from said light source, is totally reflected at said inclined surface and goes into the back of said light-transmitting body.
Claim 3
Dependent Claim
17 words
A vehicle top mark according to claim 1, wherein said light source is a light emitting diode.
Claim 4
Dependent Claim
17 words
A vehicle top mark according to claim 1, wherein said light-transmitting body is made of transparent plastics.
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) | 1990-02-23 | 1990-08-25 | 1991-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1994-02-23 | 1994-08-25 | 1995-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1998-02-23 | 1998-08-25 | 1999-02-24 | $7700.00 | Window Closed / Lapsed |