Patent US4231189A successfully refreshed from Google Patents.
US4231189A
Expired / Lapsed
US
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Plant growing assembly
Assignee: Individual
•
Filing: 1978-10-02
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Granted: 1980-11-04
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Expires: 1998-10-02
Abstract
Abstract Two upright perforate pipes, one inside the other, the space between the pipes being filled with soil and the inner pipe being filled with solid nutrient material. The inner pipe is provided with a closeable opening to permit removal of exhausted nutrient materials.
Inventors
- 👤 Mordecai Hochberg
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:37
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/02; A01G9/022
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
143 words
A plant growing assembly comprising two upright sections, each section comprising a generally semi-cylindrical perforate outer wall and a generally semi-cylindrical perforate inner wall spaced therefrom, each said wall having opposite, side edges, means joining each side edge of said inner wall to a corresponding said side edge of said outer wall, said sections being arranged in juxtaposed parallel positions with said side edges of one section engaged with corresponding respective side edges of the other said section whereby said inner walls define a central fertilizer chamber and said inner and outer walls define therebetween an annular soil chamber outwardly around said fertilizer chamber, and hinge means connecting a side edge of the outer wall of said one section to the corresponding side edge of the outer wall of said other section whereby said sections are swingable apart to open said fertilizer chamber.
Claim 2
Dependent Claim
143 words
A plant growing assembly comprising two upright sections, each section comprising a generally semi-cylindrical perforate outer wall and a generally semi-cylindrical perforate inner wall spaced therefrom, each said wall having opposite, side edges, means joining each side edge of said inner wall to a corresponding said side edge of said outer wall, said sections being arranged in juxtaposed parallel positions with said side edges of one section engaged with corresponding respective side edges of the other said section whereby said inner walls define a central fertilizer chamber and said inner and outer walls define therebetween an annular soil chamber outwardly around said fertilizer chamber, and hinge means connecting a side edge of the outer wall of said one section to the corresponding side edge of the outer wall of said other section whereby said sections are swingable apart to open said fertilizer chamber.
Claim 3
Dependent Claim
58 words
The combination according to claim 1 wherein said sections have lower ends, a respective plate joined to the lower end of each section, a support rod joined to and extending downwardly from one said plate, a socket member surrounding said rod and having an upper end engaged with said plates, said rod being rotatable in said socket member.
References Cited (Backward Citations)
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Cited
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Cited
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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) | 1983-11-04 | 1984-05-05 | 1984-11-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1987-11-04 | 1988-05-05 | 1988-11-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1991-11-04 | 1992-05-05 | 1992-11-04 | $7700.00 | Window Closed / Lapsed |