Patent US3900962A successfully refreshed from Google Patents.
US3900962A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ground fertilizer device
Assignee: Individual
•
Filing: 1974-09-06
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Granted: 1975-08-26
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Expires: 1994-09-06
Abstract
Abstract An outdoor tree and plant fertilizer. The device employed as such includes a wind driven air and rain water collector and tubes are provided for conveying both elements together with fertilizer to ground level and into the ground proximate the plant roots. The plant feed components are caused to go into the ground in a controlled or metered fashion at selected stages of ground depth. Apertured, concentric piping is provided to achieve the desired control of the fertilizer passage and deflectors disposed within the pipes at separate levels therein insure that such passage into the ground occurs at separate stages or levels.
Inventors
- 👤 See Fong Chan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:42
CPC Classifications
A; A01; A01G; A01G29/00; A01C; A01C21/00
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
70 words
A ground fertilizing device comprising an apertured pipe adapted to be vertically inserted into the ground, an air and rain water collector rotatably mounted on the upper end of said pipe, a weather vane being fixedly mounted on said collector, and air and water distributing means in fluid communication with and extending from said collector into said pipe interior and adapted to distribute air and water to said pipe apertures.
Claim 2
Dependent Claim
70 words
A ground fertilizing device comprising an apertured pipe adapted to be vertically inserted into the ground, an air and rain water collector rotatably mounted on the upper end of said pipe, a weather vane being fixedly mounted on said collector, and air and water distributing means in fluid communication with and extending from said collector into said pipe interior and adapted to distribute air and water to said pipe apertures.
Claim 3
Dependent Claim
39 words
A ground fertilizing device as in claim 1, further comprising a fertilizer housing mounted on said pipe and in communication with certain of said pipe apertures, there being a first fluid deflector adjacent to and interiorly of said apertures.
Claim 4
Dependent Claim
30 words
A ground fertilizing device as in claim 2, further comprising means adjacent said certain pipe apertures to adjust the amount of water distributed from said pipe into said fertilizer housing.
Claim 5
Dependent Claim
38 words
A ground fertilizer device as in claim 1, wherein said air and water distributing means includes a second apertured pipe disposed within said first mentioned pipe, there being vertically spaced second fluid deflectors mounted adjacent the apertures thereof.
Claim 6
Dependent Claim
20 words
A ground fertilizing device as in claim 4, wherein the apertures of said first and second pipes are vertically staggered.
Claim 7
Dependent Claim
30 words
A ground fertilizing device as in claim 1, wherein said distributing means includes an air tube extending from said collector to a point adjacent the bottom of said apertured pipe.
Claim 8
Dependent Claim
28 words
A ground fertilizing device as in claim 1, wherein said distributing means includes a water tube extending from said collector to a point above said first fluid deflector.
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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) | 1978-08-25 | 1979-02-24 | 1979-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-08-25 | 1983-02-24 | 1983-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-08-25 | 1987-02-24 | 1987-08-26 | $7700.00 | Window Closed / Lapsed |