Patent US3755966A successfully refreshed from Google Patents.
US3755966A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Deep root feeder and tree irrigater
Assignee: Individual
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Filing: 1972-05-24
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Granted: 1973-09-04
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Expires: 1992-05-24
Abstract
Abstract An elongated cylinderical cannister assembly with many small apertures at the opposite ends filled with gravel and fertilizer pellets, is placed near the tree. This insures that water, air, and nutrition is carried to the outer ends of the roots. The deep root feeder is particularly useful in cities where trees grow through pavement openings.
Inventors
- 👤 W Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 05:32
CPC Classifications
A; A01; A01G; A01G29/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A deep root tree feeder and tree irrigater arrangement, comprising in combination a. an outer cylindrical shell housing (22) open at both ends for housing a cannister therein having a lower receptacle section (24) and an upper neck section (26) said neck section having an inner stepped section (36) and an outwardly extending flange (32) at the outer end of said neck section; and, b. an upper wall cover (28) with a plurality of apertures therein; and, c. a hollow cylindrical cannister (38) with an upper outward flange resting on said inner stepped section (36) filled with gravel (40) and fertilizer pellets (42) said cannister (38) having a plurality of apertures at the bottom thereof.
Claim 2
Dependent Claim
115 words
A deep root tree feeder and tree irrigater arrangement, comprising in combination a. an outer cylindrical shell housing (22) open at both ends for housing a cannister therein having a lower receptacle section (24) and an upper neck section (26) said neck section having an inner stepped section (36) and an outwardly extending flange (32) at the outer end of said neck section; and, b. an upper wall cover (28) with a plurality of apertures therein; and, c. a hollow cylindrical cannister (38) with an upper outward flange resting on said inner stepped section (36) filled with gravel (40) and fertilizer pellets (42) said cannister (38) having a plurality of apertures at the bottom thereof.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-09-03 | 1977-03-05 | 1977-09-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-03 | 1981-03-05 | 1981-09-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-03 | 1985-03-05 | 1985-09-04 | $7700.00 | Window Closed / Lapsed |