US3196892A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Water conditioning and proportioning system
Assignee: Water Chemists Inc
•
Filing: 1960-12-09
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Granted: 1965-07-27
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Expires: 1980-12-09
Abstract
No abstract record available.
Inventors
- 👤 Robert H Savage
- 👤 Walter M Kofford
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:33
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/68; C02F1/685; C02F1/686; C02F5/00; C02F5/08; C02F2103/00; C02F2103/02; C02F2103/023; C02F2303/00; C02F2303/08; C02F2303/20; Y; Y10; Y10S; Y10S261/00; Y10S261/11; Y10S261/46; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2559; Y10T137/2564; Y10T137/2572; Y10T137/8593; Y10T137/85954
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
98 words
IN A WATER CONDITONING SYSTEM: AN APPARATUS FOR RECIRCULATING WATER; MEANS FOR FEEDING MAKE-UP WATER TO SAID APPARATUS AT A SUBSTANTIALLY CONSTANT RATE; BLEED-OFF MEANS FOR REMOVING WATER FROM SAID APPARATUS; MEANS FOR FEEDING A CHEMICAL TO SAID APPARATUS; AND MEANS OPERATING SIMULTANEOUSLY WITH FLOW OF WATER IN SAID MAKE-UP WATER MEANS FOR OPERATING SAID BLEED-OFF MEANS AND SAID CHEMICAL FEEDING MEANS TO BLEED OFF WATER AT A PREDETERMINED RATION TO THE QUANTITY OF MAKE-UP WATER FED TO THE APPARATUS AND TO FEED CHEMICAL AT A PREDETEMINED RATIO TO THE QUANTITY OF MAKE-UP WATER FED TO THE APPARATUS.
Claim 2
Dependent Claim
98 words
IN A WATER CONDITONING SYSTEM: AN APPARATUS FOR RECIRCULATING WATER; MEANS FOR FEEDING MAKE-UP WATER TO SAID APPARATUS AT A SUBSTANTIALLY CONSTANT RATE; BLEED-OFF MEANS FOR REMOVING WATER FROM SAID APPARATUS; MEANS FOR FEEDING A CHEMICAL TO SAID APPARATUS; AND MEANS OPERATING SIMULTANEOUSLY WITH FLOW OF WATER IN SAID MAKE-UP WATER MEANS FOR OPERATING SAID BLEED-OFF MEANS AND SAID CHEMICAL FEEDING MEANS TO BLEED OFF WATER AT A PREDETERMINED RATION TO THE QUANTITY OF MAKE-UP WATER FED TO THE APPARATUS AND TO FEED CHEMICAL AT A PREDETEMINED RATIO TO THE QUANTITY OF MAKE-UP WATER FED TO THE APPARATUS.
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) | 1968-07-26 | 1969-01-25 | 1969-07-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-26 | 1973-01-25 | 1973-07-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-26 | 1977-01-25 | 1977-07-27 | $7700.00 | Window Closed / Lapsed |