Patent US3987294A successfully refreshed from Google Patents.
US3987294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Illuminated gasoline tank
Assignee: Individual
•
Filing: 1975-09-26
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Granted: 1976-10-19
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Expires: 1995-09-26
Abstract
Abstract A transparent fuel tank for motorcycles and like vehicles, in which an illuminator provides light to the plastic wall, not only giving a clearer indication of the level of liquid in the tank, but also having decorative and safety advantages as well.
Inventors
- 👤 Marc W. Carlson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:21
CPC Classifications
B; B62; B62J; B62J35/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
91 words
A fuel tank for motorcycles and the like comprising, in combination: a container of transparent material having front and rear ends, a filling opening at its top, and fuel outlet means at its bottom; a boss of said material unitary with said container and extending outwardly therefrom near the bottom thereof; and means including an incandescent lamp supplying light to an outer surface of said boss for conduction in said material to provide illumination by which the level of fuel in said container may be observed during conditions of ambient darkness.
Claim 2
Dependent Claim
91 words
A fuel tank for motorcycles and the like comprising, in combination: a container of transparent material having front and rear ends, a filling opening at its top, and fuel outlet means at its bottom; a boss of said material unitary with said container and extending outwardly therefrom near the bottom thereof; and means including an incandescent lamp supplying light to an outer surface of said boss for conduction in said material to provide illumination by which the level of fuel in said container may be observed during conditions of ambient darkness.
Claim 3
Dependent Claim
55 words
The structure of claim 1 in which said tank is of the general configuration of a saddle, with the bottom of the tank at a higher level centrally than distally in transverse section, and in which said boss extends from the rear of said container at a location near the higher level of said bottom.
Claim 4
Dependent Claim
36 words
The structure of claim 1 in which the last named means includes said lamp, means for electrically energizing said lamp, and means mounting said lamp on said boss in spaced apposition to the outer end thereof.
Claim 5
Dependent Claim
29 words
The structure of claim 3 in which said mounting means includes at least one bayonet slot and said boss includes at least one bayonet pin for engaging said slot.
Claim 6
Dependent Claim
19 words
The structure of claim 3 in which said outer end of said boss comprises a translucent light diffusing surface.
Claim 7
Dependent Claim
21 words
The structure of claim 3 in which said outer end of said boss in inwardly concave to constitute a negative lens.
Claim 8
Dependent Claim
22 words
The structure of claim 1 in which said container is integrally configured to fit and be retained in a predetermined mounting space.
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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) | 1979-10-19 | 1980-04-19 | 1980-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-19 | 1984-04-19 | 1984-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-19 | 1988-04-19 | 1988-10-19 | $7700.00 | Window Closed / Lapsed |