Patent US627834A successfully refreshed from Google Patents.
Patent US1834188A successfully refreshed from Google Patents.
US4528095A
Expired / Lapsed
US
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Filtering system for potable water
Assignee: Individual
•
Filing: 1983-01-27
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Granted: 1985-07-09
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Expires: 2003-01-27
Abstract
Abstract A filtering system for potable water has a stand and a basket-shaped filter for filtering potable water. The stand has an upper cantilevered branch with an opening sized to hold said filter. This filter is detachably mounted in the opening.
Inventors
- 👤 James J. Byrne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 20:18
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/001; C02F1/003
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
100 words
A filtering system for potable water, comprising: a removable basket having on its bottom means defining a central aperture; a filtering sheet lining the inside of said basket, said filtering sheet being formed into a flexible envelope; activated charcoal granules disposed within said envelope for filtering potable water; and a stand having an upper cantilevered branch with means defining an opening sized to hold said basket, said basket being detachably mounted in said opening, said stand being arranged to allow water to flow through said granules without standing, said stand being openly structured to allow air drying of said granules.
Claim 2
Dependent Claim
100 words
A filtering system for potable water, comprising: a removable basket having on its bottom means defining a central aperture; a filtering sheet lining the inside of said basket, said filtering sheet being formed into a flexible envelope; activated charcoal granules disposed within said envelope for filtering potable water; and a stand having an upper cantilevered branch with means defining an opening sized to hold said basket, said basket being detachably mounted in said opening, said stand being arranged to allow water to flow through said granules without standing, said stand being openly structured to allow air drying of said granules.
Claim 3
Dependent Claim
38 words
A filtering system according to claim 1, further comprising: a manually operable dispensing valve mounted on said upper branch of said stand and coupled to said basket for dispensing from said stand potable water filtered through said basket.
Claim 4
Dependent Claim
27 words
A filtering system according to claim 2, wherein said stand comprises: a reservoir serially connected to said dispensing valve for holding potable water filtered by said basket.
Claim 5
Dependent Claim
45 words
A filtering system according to claim 3, further comprising: a dispensing spout mounted on said upper branch of said stand; and a selection valve connected to said basket downstream thereof, for alternately routing potable water from said basket to said reservoir and said dispensing spout.
Claim 6
Dependent Claim
49 words
A filtering system according to claim 3, further comprising: a check valve connected between said reservoir and basket for preventing a reverse flow from said reservoir into said basket; and a manually operable source of carbon dioxide connected to said reservoir for pressurizing it and carbonating its potable water.
Claim 7
Dependent Claim
39 words
A filtering system according to claim 1, wherein said upper cantilevered branch includes within it means defining a chamber having an upper circular hole and a smaller lower hole, said upper hole being sized to support said removable basket.
Claim 8
Dependent Claim
31 words
A filtering system according to claim 6, wherein said stand is hollow and "C" shaped, said stand having: blocking means for directing water flow from said upper to said lower hole.
Claim 9
Dependent Claim
22 words
A filtering system according to claim 7 wherein said stand has: a conduit wall connecting said upper hole to said lower hole.
Claim 10
Dependent Claim
86 words
A filtering system according to claim 1, wherein said stand includes a base and a trunk connecting said upper branch to said base, said trunk having an alcove sized to fit a cup, said filtering system further comprising: a primary dispensing spout mounted on the underside of said upper branch of said stand a secondary dispensing spout mounted in said alcove; and a selection valve connected to said basket downstream thereof for alternately routing potable water from said basket toward said primary and secondary dispensing spout.
Claim 11
Dependent Claim
25 words
A filtering system according to claim 9, wherein said stand has means defining a cavity extending into said trunk and sized to store said basket.
Claim 12
Dependent Claim
28 words
A filtering system according to claim 1, further comprising: a cover sized to cover said opening, said cover having a circular plate affixed atop a slotted annular wall.
Claim 13
Dependent Claim
61 words
A filtering system according to claim 1, wherein said stand includes a base and a trunk connecting said upper branch to said base, said basket being taller than said branch, but not said trunk; said stand having means defining a cavity extendihg into said trunk and shaped to detachably hold said basket, whereby said basket can be stored in said cavity.
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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) | 1988-07-08 | 1989-01-07 | 1989-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-07-08 | 1993-01-07 | 1993-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-07-08 | 1997-01-07 | 1997-07-09 | $7700.00 | Window Closed / Lapsed |