Patent US3610263A successfully refreshed from Google Patents.
US3610263A
Expired / Lapsed
US
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Fuel tank safety valve assembly
Assignee: Individual
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Filing: 1968-05-31
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Granted: 1971-10-05
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Expires: 1988-05-31
Abstract
Abstract An apparatus to prevent the discharge of fuel from the fuel reservoir inlet or filling spout of an overturned motor vehicle and to prevent the theft of fuel from said reservoir by the siphoning method. The apparatus is basically comprised of a cylindrical housing containing therein a valve seat and valve check, ball valve or the like, and a means for securing the cylindrical housing within the fuel reservoir or filling spout thereto.
Inventors
- 👤 Gary Alan Walters
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:10
CPC Classifications
F; F16; F16K; F16K17/00; F16K17/36; F16K17/366; Y; Y10; Y10T; Y10T137/00; Y10T137/0753; Y10T137/0874; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/791; Y10T137/7911; Y10T137/7912
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
131 words
A fuel reservoir safety check valve adapted for a tight slidable insertion into said fuel reservoir inlet or filling spout thereto, comprising a tubular valve body, said tubular valve body having an opening longitudinally therethrough, with an inlet end and an outlet end, means for retaining said tubular valve body within said fuel reservoir inlet or filling spout thereto, an integral downwardly facing valve seat, a valve check, said valve check having a surface thereof adapted to fit said valve seat a foraminous valve check retainer basket, said valve check retainer basket fixedly engaged with said tubular valve body by holding means, said valve check retainer basket being held securely and immovably in place beneath said valve seat and said valve check being movably located within said valve check retainer basket.
Claim 2
Dependent Claim
131 words
A fuel reservoir safety check valve adapted for a tight slidable insertion into said fuel reservoir inlet or filling spout thereto, comprising a tubular valve body, said tubular valve body having an opening longitudinally therethrough, with an inlet end and an outlet end, means for retaining said tubular valve body within said fuel reservoir inlet or filling spout thereto, an integral downwardly facing valve seat, a valve check, said valve check having a surface thereof adapted to fit said valve seat a foraminous valve check retainer basket, said valve check retainer basket fixedly engaged with said tubular valve body by holding means, said valve check retainer basket being held securely and immovably in place beneath said valve seat and said valve check being movably located within said valve check retainer basket.
Claim 3
Dependent Claim
70 words
In a fuel reservoir safety check valve of the type described in claim 1, said means for retaining said tubular valve body within said fuel reservoir inlet or filling spout thereto, comprising one or more circumferential deformable gripping flanges projecting from the exterior of said tubular valve body, the outer periphery of said deformable gripping flange, a beveled edge thereof, inclined downwardly toward the concentric of said tubular valve body.
Claim 4
Dependent Claim
83 words
In a fuel reservoir safety check valve of the type described in claim 1, said means for retaining said foraminous valve check retainer with said tubular valve body, comprising an external radial tongue extending axially from the lower portion of said tubular valve body adapted to project into a circumferential mating groove at the interior upper end of said foraminous valve check retainer, so constructed and arranged that upon interconnection said tubular valve body and said valve check retainer will be interlocked together.
Claim 5
Dependent Claim
53 words
In a fuel reservoir safety check valve of the type described in claim 1, wherein said valve check is a nonbuoyant sphere constructed of any suitable material not adversely effected by motor fuels and water, preferrably of neoprene, said sphere having a density greater than that of the liquid within said fuel reservoir.
References Cited (Backward Citations)
US1060100A
Cited
US1342569A
Cited
US1938138A
Cited
US2318424A
Cited
US2528600A
Cited
US2439799A
Cited
US2669370A
Cited
US2784865A
Cited
US2919056A
Cited
US3047178A
Cited
US3464599A
Cited
US3415299A
Cited
US3500843A
Cited
US3391818A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-04 | 1975-04-05 | 1975-10-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-04 | 1979-04-05 | 1979-10-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-04 | 1983-04-05 | 1983-10-05 | $7700.00 | Window Closed / Lapsed |