← Back to Patent Explorer
US4084531A Expired / Lapsed US ⏱️ 0.0 years remaining

Fuel tank breathing means for small size boats

Assignee: Kawasaki Motors Ltd
•
Filing: 1976-10-18
•
Granted: 1978-04-18
•
Expires: 1996-10-18
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract Fuel tank breathing device for a small boat including a body and a handle column mounted on the body, a breathing conduit extending between a fuel tank in the body and a chamber defined in the column, the chamber in the column being provided with a ventilating and drain hole at its lower portion.

Inventors

  • 👤 Takashi Fujiura
  • 👤 Kunio Tsutsui
  • 👤 Hiroshi Nishida

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-06 20:21
CPC Classifications
B; B63; B63J; B63J2/00; B63J2/02; B63J2/10

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 90 words
Fuel tank breathing means for a boat having a body equipped with an internal combustion engine, a fuel tank, and a hollow handle column pivotally mounted at one end thereof on said body of the boat, said breathing means comprising breathing conduit means having one end communicating with the fuel tank at its upper portion and the other end projecting into and opening to a chamber defined in the column outside the body of the boat, said chamber having ventilating and drain aperture means formed at a lower portion thereof.
Claim 2
Dependent Claim 90 words
Fuel tank breathing means for a boat having a body equipped with an internal combustion engine, a fuel tank, and a hollow handle column pivotally mounted at one end thereof on said body of the boat, said breathing means comprising breathing conduit means having one end communicating with the fuel tank at its upper portion and the other end projecting into and opening to a chamber defined in the column outside the body of the boat, said chamber having ventilating and drain aperture means formed at a lower portion thereof.
Claim 3
Dependent Claim 24 words
Fuel tank breathing means in accordance with claim 1 in which said breathing conduit means deeply extends into the chamber defined in the column.
Claim 4
Dependent Claim 34 words
Fuel tank breathing means in accordance with claim 1 in which said breathing conduit means comprises a hose connected at one end with a pipe which extends into the chamber defined in the column.
Claim 5
Dependent Claim 107 words
Fuel tank breathing means for a boat having a body equipped with an internal combustion engine, a fuel tank, an elongated hollow handle column mounted on said body, at least one wall in said column extending transversely thereof and defining with said column a chamber, a ventilating and drain aperture in the lower portion of the chamber, said breathing means comprises an elongated conduit, one end of said conduit being fluidly communicated with an upper portion of the fuel tank, and the other end of said conduit extending longitudinally within said column from the lower end thereof and extending through said wall and projecting into said chamber.
Claim 6
Dependent Claim 107 words
Fuel tank breathing means for a boat having a body equipped with an internal combustion engine, a fuel tank, an elongated hollow handle column mounted on said body, at least one wall in said column extending transversely thereof and defining with said column a chamber, a ventilating and drain aperture in the lower portion of the chamber, said breathing means comprises an elongated conduit, one end of said conduit being fluidly communicated with an upper portion of the fuel tank, and the other end of said conduit extending longitudinally within said column from the lower end thereof and extending through said wall and projecting into said chamber.
Claim 7
Dependent Claim 26 words
Fuel tank breathing means in accordance with claim 4 in which said column is pivotally mounted at one end thereof on said body of the boat.

References Cited (Backward Citations)

US3115114A Cited
US3369518A Cited
US3551916A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1981-04-17 1981-10-17 1982-04-18 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1985-04-17 1985-10-17 1986-04-18 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1989-04-17 1989-10-17 1990-04-18 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag