US4112984A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capped fuel tank funnel
Assignee: Individual
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Filing: 1977-07-26
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Granted: 1978-09-12
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Expires: 1997-07-26
Abstract
Abstract A funnel adapted to be screwed to the filling opening of the fuel tank of snowblowers, lawn mowers, outboard motors and the like engine-operated equipment. The funnel is provided with a cap, in turn having an air intake opening with an air filter. The funnel is thus always accessible for filling the tank.
Inventors
- 👤 Gaston Guglia
- 👤 Jacques Lupien
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:53
CPC Classifications
B; B67; B67C; B67C11/00; B67C11/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
318 words
A funnel for attachment to the externally threaded neck of the filling opening of the fuel tank of an engine-operated machine, such as a lawn-mower, snowblower or the like, such funnel comprising a funnel body, made of molded plastic and having a large circumference upper end and a small circumference lower end, said lower end being provided with an integrally formed first cylindrical extension having internal threads and a sealing gasket for fluid-tight detachably securing said funnel body onto the externally threaded cylindrical neck of the fuel tank filling opening, said upper end being provided with an integral second cylindrical extension having external threads, a detachable cap provided with a depending cylindrical skirt having a sealing gasket and internal threads complementary to the threads of said second cylindrical extension for fluid-tight and detachable connection of said cap to said funnel body, said cap having a central round top projection forming an upper external surface and having a tapered air inlet hole, said projection having buttons at its top external surface closely surrounding said hole, an air inlet hole plug having a tapered body fitted within said hole having a hat-shape top forming a rigidly protruding flange resting on said buttons and maintained spaced from said top external surface, said tapered body being provided with a slit permitting air intake into said funnel body, said plug body being further provided with a lip at its inner smaller diameter end engaging the inner surface of said projection and maintaining said air inlet plug in position within said tapered hole, said plug allowing air to enter within said funnel body while substantially excluding water from entrance within said funnel body, an air filter, of open-cell foam, located within said projection below said plug and a perforated wafer located at the base of said projection below said air filter supporting the same and preventing upwardly splashing fuel from reaching said air filter.
Claim 2
Dependent Claim
318 words
A funnel for attachment to the externally threaded neck of the filling opening of the fuel tank of an engine-operated machine, such as a lawn-mower, snowblower or the like, such funnel comprising a funnel body, made of molded plastic and having a large circumference upper end and a small circumference lower end, said lower end being provided with an integrally formed first cylindrical extension having internal threads and a sealing gasket for fluid-tight detachably securing said funnel body onto the externally threaded cylindrical neck of the fuel tank filling opening, said upper end being provided with an integral second cylindrical extension having external threads, a detachable cap provided with a depending cylindrical skirt having a sealing gasket and internal threads complementary to the threads of said second cylindrical extension for fluid-tight and detachable connection of said cap to said funnel body, said cap having a central round top projection forming an upper external surface and having a tapered air inlet hole, said projection having buttons at its top external surface closely surrounding said hole, an air inlet hole plug having a tapered body fitted within said hole having a hat-shape top forming a rigidly protruding flange resting on said buttons and maintained spaced from said top external surface, said tapered body being provided with a slit permitting air intake into said funnel body, said plug body being further provided with a lip at its inner smaller diameter end engaging the inner surface of said projection and maintaining said air inlet plug in position within said tapered hole, said plug allowing air to enter within said funnel body while substantially excluding water from entrance within said funnel body, an air filter, of open-cell foam, located within said projection below said plug and a perforated wafer located at the base of said projection below said air filter supporting the same and preventing upwardly splashing fuel from reaching said air filter.
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) | 1981-09-11 | 1982-03-13 | 1982-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-09-11 | 1986-03-13 | 1986-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-09-11 | 1990-03-13 | 1990-09-12 | $7700.00 | Window Closed / Lapsed |