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
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.
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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 |