Patent US3588038A successfully refreshed from Google Patents.
US3588038A
Expired / Lapsed
US
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Automatic cock device
Assignee: Kyokuto Giken Co Ltd
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Filing: 1968-10-24
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Granted: 1971-06-28
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Expires: 1988-10-24
Abstract
Abstract AN AUTOMATIC COCK DEVICE COMPRISES A TANK CIRCUIT CAPABLE OF OSCILLATION AT A FREQUENCY OF AROUND 40 MC/S FOR OPERATION OF A COOK FOR A WATER BASIN. AN ELECTRICALLY CONDUCTIVE MEMBER IS POSITIONED ADJACENT THE WATER BASIN AND IS ELECTRICALLY INSULATED FROM GROUND AND ELECTRICALLY COUPLED WITH THE TANK CIRCUIT. THE MEMBER IS ADAPTED TO BE INFLUENCED BY THE PROXIMITY OF A HAND OF A HUMAN BODY THERETO TO CAUSE A HIGH FREQUENCY LOSS IN THE CIRCUIT INCLUDING THE MEMBER AND THE HAND, THEREBY CAUSING A VARIATION IN THE OSCILLATING CONDITION OF THE TANK CIRCUIT TO OPERATE A SOLENOID VALVE WHICH CONTROLS THE FLOW OF WATER THROUGH THE COCK.
Inventors
- 👤 Tameo Tanaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:12
CPC Classifications
H; H03; H03K; H03K17/00; H03K17/94; H03K17/945; H03K17/955
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-27 | 1974-12-27 | 1975-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-27 | 1978-12-27 | 1979-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-27 | 1982-12-27 | 1983-06-28 | $7700.00 | Window Closed / Lapsed |