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US3987584A Expired / Lapsed US ⏱️ 0.0 years remaining

Planters unit with means for fertilizing the soil

Assignee: Individual
•
Filing: 1975-11-10
•
Granted: 1976-10-26
•
Expires: 1995-11-10
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Abstract

Abstract A planters unit which includes a container or pot for the soil, with said container having a fertilizer chamber extending into the interior of the container, which container and fertilizer chamber are integrally molded of a plastic material. The fertilizer chamber has openings which communicate with the interior of the container. The fertilizer chamber is open at the bottom to receive replaceable fertilizing means. The fertilizer chamber is closed by a removable closure cap. The liquid poured on the soil enters the fertilizer chamber and contacts the fertilizing means and then passes outwardly of the fertilizer chamber to fertilize the soil.

Inventors

  • 👤 Bernard Yellin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 20:39
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/02

Claims Analysis

Total Claims: 10
Claim 1
Independent Claim 127 words
A planters unit having a container having a continuous side wall and a bottom wall for receiving soil and the like, and a pan below said container, said container having a drain opening in said bottom wall to said pan, a fertilizer chamber extending into the interior of said container and having at least one opening therein upwardly spaced from said drain opening and communicating with the interior of said container, said fertilizer chamber being otherwise imperforate and adapted to contain fertilizing means therein so that the liquid poured on the soil within the container enters the fertilizer chamber through said chamber opening and contacts the fertilizing means and then passes outwardly of the fertilizer chamber and into the soil in said container for fertilizing the soil.
Claim 2
Dependent Claim 127 words
A planters unit having a container having a continuous side wall and a bottom wall for receiving soil and the like, and a pan below said container, said container having a drain opening in said bottom wall to said pan, a fertilizer chamber extending into the interior of said container and having at least one opening therein upwardly spaced from said drain opening and communicating with the interior of said container, said fertilizer chamber being otherwise imperforate and adapted to contain fertilizing means therein so that the liquid poured on the soil within the container enters the fertilizer chamber through said chamber opening and contacts the fertilizing means and then passes outwardly of the fertilizer chamber and into the soil in said container for fertilizing the soil.
Claim 3
Dependent Claim 36 words
A planters unit as set forth in claim 1 in which the container and fertilizer chamber are integrally formed of a plastic material with the bottom of said fertilizer chamber closed by a removable closure member.
Claim 4
Dependent Claim 19 words
A planters unit as set forth in claim 2 in which the top of the fertilizer chamber is closed.
Claim 5
Dependent Claim 39 words
A planters unit as set forth in claim 2 in which the container is separate from the pan and is positioned on said pan and with the bottom wall of the container spaced from the bottom of the pan.
Claim 6
Dependent Claim 28 words
A planters unit set forth in claim 4 in which the fertilizing means comprises a solid mass of fertilizing material which is supported on the removable closure member.
Claim 7
Dependent Claim 31 words
A planters unit as set forth in claim 5 in which the fertilizing means is in the form of a stick which extends into the fertilizer chamber and which is replaceable.
Claim 8
Dependent Claim 25 words
A planters unit as set forth in claim 4 in which the removable closure member is frictionally secured to the bottom of the fertilizer chamber.
Claim 9
Dependent Claim 85 words
A planters unit as set forth in claim 1 in which the container and the fertilizer chamber are integrally formed and molded of a plastic material and in which said fertilizer chamber has an upstanding side wall which inclines inwardly towards the top with the upper portion of said side wall having exteriorly facing grooves and with the lower portion of said side wall having interiorly facing grooves with a fertilizer chamber opening formed in said grooves where said exteriorly and interiorly facing grooves meet.
Claim 10
Dependent Claim 25 words
A planters unit as set forth in claim 8 in which the fertilizer chamber openings are approximately centrally of the height of the fertilizer chamber.

References Cited (Backward Citations)

GB191017945A Cited
US1988307A Cited
US1996898A Cited
US2026679A Cited
US2234992A Cited
US2222815A Cited
US2228575A Cited
US2550602A Cited
US2834153A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-10-26 1980-04-26 1980-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-10-26 1984-04-26 1984-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-10-26 1988-04-26 1988-10-26 $7700.00 Window Closed / Lapsed

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