US3239847A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Automatic flushing device
Assignee: Individual
•
Filing: 1962-12-13
•
Granted: 1966-03-15
•
Expires: 1982-12-13
Abstract
No abstract record available.
Inventors
- 👤 Idwal W Parri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:51
CPC Classifications
E; E03; E03D; E03D5/00; E03D5/10; E03D1/00; E03D1/02; E03D1/18; E03D1/186
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
153 words
IN A TOILET FLUSHING DEVICE INCLUDING A BOWL MEMBER FOR RECEIVING URINE AND HAVING A SUPPLY OF WATER THEREIN OF A PREDETERMINED ELECTROCONDUCTIVITY, A PAIR OF SPACED ELECTRODES MOUNTED IN THE WATER OF THE BOWL MEMBER WITH THE ELECTRODES SPACED APART, MEANS PLACING A PREDETERMINED POTENTIAL ON THE ELECTRODES, CURRENT SENSING MEANS RESPONSIVE TO CURRENT FLOW THROUGH THE ELECTRODES WHEN THE WATER RECEIVES URINE OF SUBSTANTIALLY HIGHER ELECTROCONDUCTIVITY THAN THE WATER, A FLUSH TANK HAVING A FLUSH DISCHARGE OPENING, A VALVE MEMBER NORMALLY CLOSING THE FLUSH DISCHARGE OPENING OF THE FLUSH TANK, FLOAT MEANS RESPONSIVE TO WATER IN THE FLUSH TANK, MEANS FOR SUPPLYING WATER TO THE FLUSH TANK IN RESPONSE TO ACTUATION OF THE CURRENT SENSING MEANS, LATCH MEANS FOR PREVENTING RAISING THE VALVE MEMBER, MEANS OPERABLE BY THE FLOAT MEANS FOR RELEASING THE LATCH MEANS, AND A SPRING CONNECTING THE FLOAT MEANS TO THE VALVE MEMBER FOR RAISING THE VALVE MEMBER.
Claim 2
Dependent Claim
153 words
IN A TOILET FLUSHING DEVICE INCLUDING A BOWL MEMBER FOR RECEIVING URINE AND HAVING A SUPPLY OF WATER THEREIN OF A PREDETERMINED ELECTROCONDUCTIVITY, A PAIR OF SPACED ELECTRODES MOUNTED IN THE WATER OF THE BOWL MEMBER WITH THE ELECTRODES SPACED APART, MEANS PLACING A PREDETERMINED POTENTIAL ON THE ELECTRODES, CURRENT SENSING MEANS RESPONSIVE TO CURRENT FLOW THROUGH THE ELECTRODES WHEN THE WATER RECEIVES URINE OF SUBSTANTIALLY HIGHER ELECTROCONDUCTIVITY THAN THE WATER, A FLUSH TANK HAVING A FLUSH DISCHARGE OPENING, A VALVE MEMBER NORMALLY CLOSING THE FLUSH DISCHARGE OPENING OF THE FLUSH TANK, FLOAT MEANS RESPONSIVE TO WATER IN THE FLUSH TANK, MEANS FOR SUPPLYING WATER TO THE FLUSH TANK IN RESPONSE TO ACTUATION OF THE CURRENT SENSING MEANS, LATCH MEANS FOR PREVENTING RAISING THE VALVE MEMBER, MEANS OPERABLE BY THE FLOAT MEANS FOR RELEASING THE LATCH MEANS, AND A SPRING CONNECTING THE FLOAT MEANS TO THE VALVE MEMBER FOR RAISING THE VALVE MEMBER.
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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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |