US3342136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Liquid supply circuit
Assignee: Individual
•
Filing: 1965-09-07
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Granted: 1967-09-19
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Expires: 1985-09-07
Abstract
No abstract record available.
Inventors
- 👤 Edward H Domecki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:51
CPC Classifications
F; F04; F04D; F04D13/00; F04D13/16; E; E03; E03B; E03B5/00; E03B5/04; E03B5/045; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3115; Y10T137/3127
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
162 words
IN A WATER SUPPLY SYSTEM FOR FURNISHING WATER FROM A SOURCE TO AN OUTLET; A STORAGE TANK CONNECTED TO THE OUTLET FOR DELIVERING WATER THERETO; WATER SUPPLY MEANS ACTUATED BY A REDUCTION OF THE PRESSURE IN SAID TANK TO SUPPLY WATER FROM THE SOURCE TO SAID TANK; A VALVE CONNECTED IN THE SYSTEM AND OPERABLE WHEN ACTUATED TO PLACE THE TANK IN COMMUNICATION WITH THE ATMOSPHERE FOR ADMITTING AIR INTO THE TANK; AIR INDICATOR MEANS ACTUATED BY THE DISSIPATION OF AIR IN SAID TANK TO A PREDETERMINED MINIMUM; AND CONTROL MEANS ACTIVATED BY SAID AIR INDICATOR MEANS TO DELAY THE OPERATION OF SAID WATER SUPPLY MEANS UPON THE REDUCTION OF PRESSURE IN SAID TANK AND TO THEREUPON ACTIVATE SAID VALVE FOR A PREDETERMINED PERIOD OF TIME TO ADMIT A PREDETERMINED AMOUNT OF AIR INTO SAID TANK AND TO ACTIVATE SAID WATER SUPPLY MEANS UPON THE EXPIRATION OF SAID PERIOD OF TIME FOR RESTORING THE PRESSURE IN SAID TANK TO A PREDETERMINED VALUE.
Claim 2
Dependent Claim
162 words
IN A WATER SUPPLY SYSTEM FOR FURNISHING WATER FROM A SOURCE TO AN OUTLET; A STORAGE TANK CONNECTED TO THE OUTLET FOR DELIVERING WATER THERETO; WATER SUPPLY MEANS ACTUATED BY A REDUCTION OF THE PRESSURE IN SAID TANK TO SUPPLY WATER FROM THE SOURCE TO SAID TANK; A VALVE CONNECTED IN THE SYSTEM AND OPERABLE WHEN ACTUATED TO PLACE THE TANK IN COMMUNICATION WITH THE ATMOSPHERE FOR ADMITTING AIR INTO THE TANK; AIR INDICATOR MEANS ACTUATED BY THE DISSIPATION OF AIR IN SAID TANK TO A PREDETERMINED MINIMUM; AND CONTROL MEANS ACTIVATED BY SAID AIR INDICATOR MEANS TO DELAY THE OPERATION OF SAID WATER SUPPLY MEANS UPON THE REDUCTION OF PRESSURE IN SAID TANK AND TO THEREUPON ACTIVATE SAID VALVE FOR A PREDETERMINED PERIOD OF TIME TO ADMIT A PREDETERMINED AMOUNT OF AIR INTO SAID TANK AND TO ACTIVATE SAID WATER SUPPLY MEANS UPON THE EXPIRATION OF SAID PERIOD OF TIME FOR RESTORING THE PRESSURE IN SAID TANK TO A PREDETERMINED VALUE.
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) | 1970-09-18 | 1971-03-20 | 1971-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-18 | 1975-03-20 | 1975-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-18 | 1979-03-20 | 1979-09-19 | $7700.00 | Window Closed / Lapsed |