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US4236352A
Expired / Lapsed
US
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Plant watering device
Assignee: Individual
•
Filing: 1978-10-18
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Granted: 1980-12-02
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Expires: 1998-10-18
Abstract
Abstract A self-watering, appliance for a potted plant, the device including an earth-filled, plant pot placed above a vessel of water, a downwardly tubular neck on the bottom of the pot extending into the water, a quantity of spagnum moss stuffed into the tubular neck providing capillary action for water to be drawn up to plant roots in the earth, and valve means on the extension for controlling amount of water drawn up into the pot.
Inventors
- 👤 William B. Heaney
- 👤 George Spector
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:16
CPC Classifications
A; A01; A01K; A01K63/00; A01K63/003; A01K63/006; A01G; A01G27/00; A01G27/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
135 words
A plant watering device, comprising in combination, a quantity of earth in a container for plants to be rooted therein, a quantity of water below said container, a spongy material extending from said earth down to said water and manually adjustable constricting means to control water volume traveling through said material by a capillary action, wherein said container comprises an upper compartment of a pot having a horizontal partition so to form a chamber therebelow for said water, small opening through said partition and through which said material extends, wherein said means further comprises holes in diametrically opposite side walls of said chamber above a water level thereof, a cord looped once and loose tied at its center around said material while opposite ends of said cord extend outwardly of said holes and are secured.
Claim 2
Dependent Claim
135 words
A plant watering device, comprising in combination, a quantity of earth in a container for plants to be rooted therein, a quantity of water below said container, a spongy material extending from said earth down to said water and manually adjustable constricting means to control water volume traveling through said material by a capillary action, wherein said container comprises an upper compartment of a pot having a horizontal partition so to form a chamber therebelow for said water, small opening through said partition and through which said material extends, wherein said means further comprises holes in diametrically opposite side walls of said chamber above a water level thereof, a cord looped once and loose tied at its center around said material while opposite ends of said cord extend outwardly of said holes and are secured.
Claim 3
Dependent Claim
36 words
The combination as set forth in claim 1, wherein a plurality of knots are provided at said cord ends and a disc having a slit is placed between said pot side wall and a selected knot.
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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) | 1983-12-02 | 1984-06-02 | 1984-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-12-02 | 1988-06-02 | 1988-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-12-02 | 1992-06-02 | 1992-12-02 | $7700.00 | Window Closed / Lapsed |