Patent US3261125A successfully refreshed from Google Patents.
US3261125A
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System for controlling the moisture content of soil
Assignee: Individual
•
Filing: 1964-06-15
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Granted: 1966-07-19
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Expires: 1984-06-15
Abstract
No abstract record available.
Inventors
- 👤 Harry H Arkebauer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:10
CPC Classifications
A; A01; A01G; A01G27/00; A01G27/04; Y; Y10; Y10T; Y10T137/00; Y10T137/1842; Y10T137/1866; Y10T137/189
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN A SYSTEM FOR CONTROLLING THE MOISTURE CONTENT OF SOIL FOR THE GROWTH OF PLANTS THEREIN, A SUPPLY OF WATER, MEANS FOR CONDUCTING WATER FROM SAID SUPPLY TO THE SOIL TO BE MOISTENED, FLOW CONTROL MEANS ASSOCIATED WITH SAID CONDUCTOR MEANS, AND SENSING MEANS INCLUDING A MOISTURE-ABSORBING SOLID IN CONTACT WITH SAID SOIL AND EXPANSIBLE IN RESPONSE TO THE MOISTURE CONTENT THEREOF TO OPERATE SAID FLOW CONTROL MEANS.
Claim 2
Dependent Claim
68 words
IN A SYSTEM FOR CONTROLLING THE MOISTURE CONTENT OF SOIL FOR THE GROWTH OF PLANTS THEREIN, A SUPPLY OF WATER, MEANS FOR CONDUCTING WATER FROM SAID SUPPLY TO THE SOIL TO BE MOISTENED, FLOW CONTROL MEANS ASSOCIATED WITH SAID CONDUCTOR MEANS, AND SENSING MEANS INCLUDING A MOISTURE-ABSORBING SOLID IN CONTACT WITH SAID SOIL AND EXPANSIBLE IN RESPONSE TO THE MOISTURE CONTENT THEREOF TO OPERATE SAID FLOW CONTROL MEANS.
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) | 1969-07-18 | 1970-01-17 | 1970-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-18 | 1974-01-17 | 1974-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-18 | 1978-01-17 | 1978-07-19 | $7700.00 | Window Closed / Lapsed |