US3010886A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for purifying water circulating systems
Assignee: Individual
•
Filing: 1958-03-03
•
Granted: 1961-11-28
•
Expires: 1978-03-03
Abstract
No abstract record available.
Inventors
- 👤 Chappell Frank Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:20
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/46; C02F1/4606; C02F1/461; C02F1/46104; C02F1/46109; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/12; C02F1/463; C02F2001/46133; C02F2303/00; C02F2303/04; C23F2213/00; C23F2213/30; C23F2213/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A WATER CIRCULATING SYSTEM FOR SHIPS OR THE LIKE INCLUDING A TREATMENT TANK, A PLURALITY OF ANODES DISPOSED IN SAID TREATMENT TANK, A SOURCE OF D.C. CURRENT CONNECTED ON ITS POSITIVE SIDE TO EACH OF THE ANODES IN THE TREATMENT TANK AND ON ITS NEGATIVE SAID TO THE WALLS OF THE TREATMENT TANK, SAID ANODES COMPRISING AN ARSENIC COPPER ALLOY, THE ARESENIC CONTENT OF THE ANODES BEING APPROXIMATELY 6-7%, THE BALANCE COPPER, AND DEAERATING VALVES IN SAID TREATMENT TANK REMOVING GAS THEREFROM DURING THE ELECTROLYTIC TREATMENT OF THE WATER.
Claim 2
Dependent Claim
89 words
A WATER CIRCULATING SYSTEM FOR SHIPS OR THE LIKE INCLUDING A TREATMENT TANK, A PLURALITY OF ANODES DISPOSED IN SAID TREATMENT TANK, A SOURCE OF D.C. CURRENT CONNECTED ON ITS POSITIVE SIDE TO EACH OF THE ANODES IN THE TREATMENT TANK AND ON ITS NEGATIVE SAID TO THE WALLS OF THE TREATMENT TANK, SAID ANODES COMPRISING AN ARSENIC COPPER ALLOY, THE ARESENIC CONTENT OF THE ANODES BEING APPROXIMATELY 6-7%, THE BALANCE COPPER, AND DEAERATING VALVES IN SAID TREATMENT TANK REMOVING GAS THEREFROM DURING THE ELECTROLYTIC TREATMENT OF THE WATER.
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) | 1964-11-27 | 1965-05-29 | 1965-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-27 | 1969-05-29 | 1969-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-27 | 1973-05-29 | 1973-11-28 | $7700.00 | Window Closed / Lapsed |