← Back to Patent Explorer
US4743370A Expired / Lapsed US ⏱️ 0.0 years remaining

Filter for fuel tank

Assignee: Nifco Inc
•
Filing: 1986-12-29
•
Granted: 1988-05-10
•
Expires: 2006-12-29
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A fuel tank filter comprises a sack-like filter net member, a mounting member for mounting the net member on a suction pipe and a mounting cover for mounting an opening of the net member on the mounting member.

Inventors

  • 👤 Akira Mizusawa

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-05 22:47
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/26; B01D29/00; B01D29/11; B01D29/111; B01D29/13; B01D29/15; B01D35/02; B01D35/027; B01D35/0273; F; F02; F02M; F02M37/00; F02M37/22; F02M37/32; F02M37/50

Claims Analysis

Total Claims: 3
Claim 1
Independent Claim 216 words
A fuel tank filter comprising: a sack-like net member having an opening, a mounting member for mounting said net member on a suction pipe, shape-retaining means extending from said mounting member and engagable with said net member to prevent collapse thereof into said mounting member, said mounting member including a cylindrical mounting portion provided on the peripheral surface thereof with a locking portion and a flange-like fastening portion, and a mounting cover for mounting said opening of said net member on said mounting member, said mounting cover including a cylindrical lock portion fitted on said mounting portion and engaged with said locking portion and a clamping portion brought into contact with the upper surface of said fastening portion, said net member being undetachably mounted on said mounting member by passing said opening of said net member about said mounting portion to be put on the upper surface of said fastening portion, then fitting said lock portion on said mounting portion to superpose said clamping portion on said opening of said net member in clamping relation therewith, thereby clamping said opening of said net member between the lower surface of said clamping portion and the upper surface of said fastening portion and, at the same time, engaging an opening of said lock portion with said locking portion.
Claim 2
Dependent Claim 216 words
A fuel tank filter comprising: a sack-like net member having an opening, a mounting member for mounting said net member on a suction pipe, shape-retaining means extending from said mounting member and engagable with said net member to prevent collapse thereof into said mounting member, said mounting member including a cylindrical mounting portion provided on the peripheral surface thereof with a locking portion and a flange-like fastening portion, and a mounting cover for mounting said opening of said net member on said mounting member, said mounting cover including a cylindrical lock portion fitted on said mounting portion and engaged with said locking portion and a clamping portion brought into contact with the upper surface of said fastening portion, said net member being undetachably mounted on said mounting member by passing said opening of said net member about said mounting portion to be put on the upper surface of said fastening portion, then fitting said lock portion on said mounting portion to superpose said clamping portion on said opening of said net member in clamping relation therewith, thereby clamping said opening of said net member between the lower surface of said clamping portion and the upper surface of said fastening portion and, at the same time, engaging an opening of said lock portion with said locking portion.
Claim 3
Dependent Claim 25 words
The fuel tank filter according to claim 1, wherein said filter net member comprises two synthetic resin net elements fused together along the edge thereof.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1991-05-10 1991-11-09 1992-05-10 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1995-05-10 1995-11-09 1996-05-10 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1999-05-10 1999-11-09 2000-05-10 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag