Patent US3796180A successfully refreshed from Google Patents.
US3796180A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ventilator for engines of small boats
Assignee: Individual
•
Filing: 1972-02-18
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Granted: 1974-03-12
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Expires: 1992-02-18
Abstract
Abstract This invention consists of an inverted L-shaped flexible tube having its upper and horizontally disposed end suitably secured to the flame arrestor on the carburetor of the internal combustion engine in a boat. The lower and vertically disposed end of the aforesaid flexible tube being clamped to structure having a tubular screen suitably secured on the top of a flotation ring that is located in the bilge of the aforesaid boat.
Inventors
- 👤 H Ebbighausen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:34
CPC Classifications
B; B63; B63J; B63J2/00; B63J2/02; B63J2/06
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
148 words
A ventilator for engines of small boats, comprising an inverted L-shaped flexible tube having its upper and horizontally disposed end secured to the flame arrestor of the carburetor of the engine in a boat; and the lower end of said tube being secured to a structure having a screen that is located in the bilge of said boat wherein said structure comprises a horizontally disposed metal flange having a hollow vertically disposed portion integrally formed therewith; and the lower end of said tube being secured to the vertically disposed portion of said flange by a clamp; said flange being suitably secured on top of the structure in which said screen is located wherein said last-mentioned structure is in the form of a vertically disposed screen housing having a plurality of elongated openings therein; and said screen housing and its screen being located on top of a flotation ring.
Claim 2
Dependent Claim
148 words
A ventilator for engines of small boats, comprising an inverted L-shaped flexible tube having its upper and horizontally disposed end secured to the flame arrestor of the carburetor of the engine in a boat; and the lower end of said tube being secured to a structure having a screen that is located in the bilge of said boat wherein said structure comprises a horizontally disposed metal flange having a hollow vertically disposed portion integrally formed therewith; and the lower end of said tube being secured to the vertically disposed portion of said flange by a clamp; said flange being suitably secured on top of the structure in which said screen is located wherein said last-mentioned structure is in the form of a vertically disposed screen housing having a plurality of elongated openings therein; and said screen housing and its screen being located on top of a flotation ring.
Claim 3
Dependent Claim
49 words
The invention of claim 1, wherein the said flange is bolted to the said flotation ring by bolts that pass vertically up through not only the said flange and the said flotation ring but also up through the said screen housing and within the confines of the said screen.
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) | 1977-03-11 | 1977-09-10 | 1978-03-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-03-11 | 1981-09-10 | 1982-03-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-03-11 | 1985-09-10 | 1986-03-12 | $7700.00 | Window Closed / Lapsed |