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US4064049A Expired / Lapsed US ⏱️ 0.0 years remaining

Water cleaner

Assignee: Individual
•
Filing: 1976-07-19
•
Granted: 1977-12-20
•
Expires: 1996-07-19
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Abstract

Abstract A water cleaner is formed of a hollow casing having a water inlet and a water outlet. An elongated tubing is secured to the interior of the casing and contains an inlet and an outlet and means for coupling the tubing inlet to the water inlet and the tubing outlet to the water outlet. A screen surrounds the exterior of the tubing and is secured thereto. A filter element surrounds the screen for removing impurities from the water passing from the casing inlet to the casing outlet.

Inventors

  • 👤 Alexander S. Calvano

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 21:17
CPC Classifications
B; B01; B01D; B01D29/00; B01D29/11; B01D29/13; B01D29/15; B01D29/88; B01D29/92; B01D29/925

Claims Analysis

Total Claims: 5
Claim 1
Independent Claim 142 words
A water cleaner comprising: a hollow casing having a water inlet and a water outlet; an elongated solid tubing secured to the interior of said casing and having an inlet and an outlet and means for coupling said tubing inlet to said water inlet and said tubing outlet to said water outlet; a screen surrounding the exterior of said tubing and being secured thereto; and a filter element surrounding said screen for removing impurities from water passing from said casing inlet to said casing outlet, said elongated tubing outlet being formed at one end of said tubing and said tubing inlet consisting of an opening formed at the other end of said elongated tubing for enabling substantial seepage to occur along the filter element prior to allowing filtered water to enter the interior of said tubing and pass to said tubing outlet.
Claim 2
Dependent Claim 142 words
A water cleaner comprising: a hollow casing having a water inlet and a water outlet; an elongated solid tubing secured to the interior of said casing and having an inlet and an outlet and means for coupling said tubing inlet to said water inlet and said tubing outlet to said water outlet; a screen surrounding the exterior of said tubing and being secured thereto; and a filter element surrounding said screen for removing impurities from water passing from said casing inlet to said casing outlet, said elongated tubing outlet being formed at one end of said tubing and said tubing inlet consisting of an opening formed at the other end of said elongated tubing for enabling substantial seepage to occur along the filter element prior to allowing filtered water to enter the interior of said tubing and pass to said tubing outlet.
Claim 3
Dependent Claim 18 words
A water cleaner in accordance with claim 1 wherein said screen spaces said filter element from said tubing.
Claim 4
Dependent Claim 20 words
A water cleaner in accordance with claim 2 wherein said filter element is a cloth member wrapped around said screen.
Claim 5
Dependent Claim 30 words
A water cleaner in accordance with claim 2 wherein fingers are formed at one end of said tubing for enabling filtered water to pass to the interior of said tubing.

References Cited (Backward Citations)

US120908A Cited
US543389A Cited
US1331237A Cited
US2365766A Cited
US2736435A Cited
FR1092787A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1980-12-19 1981-06-20 1981-12-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1984-12-19 1985-06-20 1985-12-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1988-12-19 1989-06-20 1989-12-20 $7700.00 Window Closed / Lapsed

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