US3168797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic watering device
Assignee: International Agricultural Services Inc
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Filing: 1963-05-02
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Granted: 1965-02-09
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Expires: 1983-05-02
Abstract
No abstract record available.
Inventors
- 👤 Frank Z Patassy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:36
CPC Classifications
A; A01; A01G; A01G27/00; A01G27/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
175 words
IN AN AUTOMATIC WATERING DEVICE, A RECEPTACLE CONTAINING A BODY OF LIQUID, FLOAT MEANS WITHIN SAID BODY OF LIQUID, PLATFORM MEANS SUPPORTED ON SAID FLOAT MEANS FOR MOVEMENTS ABOVE THE LEVEL OF LIQUID IN SAID RECEPTACLE, SAID PLATFORM MEANS BEING ADAPTED TO SUPPORT A TEST SAMPLE INCLUDING SOIL, SAID FLOAT MEANS BEING PROVIDED WITH CONDUIT MEANS EXTENDING FROM A POSITION JUST ABOVE THE LOWER INTERIOR SURFACE OF THE FLOAT TO AN EXTERIOR POSITION ABOVE THE LIQUID LEVEL IN THE RECEPTACLE WHEREBY WATER CAN BE INTRODUCED INTO THE FLOAT TO VARY ITS BUOYANCY IN ACCORDANCE WITH VARIATIONS IN WEIGHT OF THE TEST SAMPLE, A SOURCE OF WATER, ADDITIONAL CONDUIT MEANS LEADING FROM SAID SOURCE OF WATER TO SAID TEST SAMPLE, VALVE MEANS INTERRUPTING THE FLOW OF WATER THROUGH SAID ADDITIONAL CONDUIT MEANS, AND ACTUATING MEANS RESPONSIVE TO VARYING VERTICAL POSITIONS OF SAID MOVABLE PLATFORM TO CONTROL THE OPERATION OF SAID VALVE MEANS, WHEREBY SAID VALVE MEANS IS OPERABLE IN RESPONSE TO VARIATIONS IN THE WEIGHT OF SAID TEST SAMPLE CORRESPONDING TO VARIATIONS IN ITS MOISTURE CONTENT.
Claim 2
Dependent Claim
175 words
IN AN AUTOMATIC WATERING DEVICE, A RECEPTACLE CONTAINING A BODY OF LIQUID, FLOAT MEANS WITHIN SAID BODY OF LIQUID, PLATFORM MEANS SUPPORTED ON SAID FLOAT MEANS FOR MOVEMENTS ABOVE THE LEVEL OF LIQUID IN SAID RECEPTACLE, SAID PLATFORM MEANS BEING ADAPTED TO SUPPORT A TEST SAMPLE INCLUDING SOIL, SAID FLOAT MEANS BEING PROVIDED WITH CONDUIT MEANS EXTENDING FROM A POSITION JUST ABOVE THE LOWER INTERIOR SURFACE OF THE FLOAT TO AN EXTERIOR POSITION ABOVE THE LIQUID LEVEL IN THE RECEPTACLE WHEREBY WATER CAN BE INTRODUCED INTO THE FLOAT TO VARY ITS BUOYANCY IN ACCORDANCE WITH VARIATIONS IN WEIGHT OF THE TEST SAMPLE, A SOURCE OF WATER, ADDITIONAL CONDUIT MEANS LEADING FROM SAID SOURCE OF WATER TO SAID TEST SAMPLE, VALVE MEANS INTERRUPTING THE FLOW OF WATER THROUGH SAID ADDITIONAL CONDUIT MEANS, AND ACTUATING MEANS RESPONSIVE TO VARYING VERTICAL POSITIONS OF SAID MOVABLE PLATFORM TO CONTROL THE OPERATION OF SAID VALVE MEANS, WHEREBY SAID VALVE MEANS IS OPERABLE IN RESPONSE TO VARIATIONS IN THE WEIGHT OF SAID TEST SAMPLE CORRESPONDING TO VARIATIONS IN ITS MOISTURE CONTENT.
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) | 1968-02-09 | 1968-08-10 | 1969-02-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-02-09 | 1972-08-10 | 1973-02-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-02-09 | 1976-08-10 | 1977-02-09 | $7700.00 | Window Closed / Lapsed |