Patent US3192142A successfully refreshed from Google Patents.
US3192142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and device for preparing drinking water from insalubrious crude water
Assignee: DULAC FRANCOIS MARIE JACQUES
•
Filing: 1960-06-14
•
Granted: 1965-06-29
•
Expires: 1980-06-14
Abstract
No abstract record available.
Inventors
- 👤 Vellas Jean Leon Justin
- 👤 Puig Lorenzo Casanovas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:39
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/4606; C02F1/461; C02F1/463; C02F1/28; C02F1/283; C02F2001/007; C02F2201/00; C02F2201/46; C02F2201/461; C02F2201/46105; C02F2201/4612; C02F2201/46125; C02F2201/4613
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
THE METHOD OF PURIFYING CRUDE WATER IN A CIRCULATION SYSTEM TO PRODUCE WATER SUITABLE FOR DRINKING, COMPRISING THE SUCCESSIVE STEPS OF PASSING THE CIRCULATING CRUDE WATER IN CONTACT WITH ELECTRODE MEANS SUPPLIED WITH A PULSATING LOW-VOLTAGE DIRECT CURRENT TO INITIATE COAGULATION OF THE IMPURITIES CONTAINED THEREIN; CONTINUOUSLY CIRCULATING THE ELECTRICALLY-TREATED WATER IN A CLOSED PRECIPITATING TANK FULL OF WATER AND HAVING A CAPACITY AT LEAST EQUAL TO THE HOURLY DELIVERY RATE OF THE CRUDE WATER TO EFFECT FLOCCULATION AND SEPARATION OF THE IMPURITIES CONTAINED IN THE WATER, FILTERING THE WATER; CHARGING THE FILTERED WATER WITH A SMALL AMOUNT OF SILVER IONS BY MEANS OF A LOW VOLTAGE PULSATING CURRENT ACTING AT LEAST ONE SILVER ANODE; AND INTRODUCING THE IONIZED WATER INTO A SETTLING TANK HAVING A CAPACITY AT LEAST EQUAL TO ONE FOURTH OF THE HOURLY DELIVERY RATE OF THE CRUDE WATER AND CAUSING
Claim 2
Independent Claim
144 words
THE METHOD OF PURIFYING CRUDE WATER IN A CIRCULATION SYSTEM TO PRODUCE WATER SUITABLE FOR DRINKING, COMPRISING THE SUCCESSIVE STEPS OF PASSING THE CIRCULATING CRUDE WATER IN CONTACT WITH ELECTRODE MEANS SUPPLIED WITH A PULSATING LOW-VOLTAGE DIRECT CURRENT TO INITIATE COAGULATION OF THE IMPURITIES CONTAINED THEREIN; CONTINUOUSLY CIRCULATING THE ELECTRICALLY-TREATED WATER IN A CLOSED PRECIPITATING TANK FULL OF WATER AND HAVING A CAPACITY AT LEAST EQUAL TO THE HOURLY DELIVERY RATE OF THE CRUDE WATER TO EFFECT FLOCCULATION AND SEPARATION OF THE IMPURITIES CONTAINED IN THE WATER, FILTERING THE WATER; CHARGING THE FILTERED WATER WITH A SMALL AMOUNT OF SILVER IONS BY MEANS OF A LOW VOLTAGE PULSATING CURRENT ACTING AT LEAST ONE SILVER ANODE; AND INTRODUCING THE IONIZED WATER INTO A SETTLING TANK HAVING A CAPACITY AT LEAST EQUAL TO ONE FOURTH OF THE HOURLY DELIVERY RATE OF THE CRUDE WATER AND CAUSING
References Cited (Backward Citations)
US937210A
Cited
US961924A
Cited
GB384466A
Cited
US2046467A
Cited
US2036949A
Cited
US2413375A
Cited
US2658033A
Cited
US2640026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-28 | 1968-12-28 | 1969-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-28 | 1972-12-28 | 1973-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-28 | 1976-12-28 | 1977-06-29 | $7700.00 | Window Closed / Lapsed |