US3718554A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathodic protection for water tanks
Assignee: Individual
•
Filing: 1969-09-18
•
Granted: 1973-02-27
•
Expires: 1989-09-18
Abstract
Abstract D R A W I N G THE PRESENT INVENTION DISCLOSES A SUPPORT SYSTEM FOR CATHODIC PROTECTION APPARATUS USED IN LIQUID CONTAINING METAL TANKS WHEREIN SUBMERGED ANODES ARE ATTACHED TO BUOYANT SUBMERGED CONDITION BY FLEXIBLE ATTACHMENT TO A TOTALLY SUBMERGED CONDITION BY FLEXIBLE ATTACHMENT TO THE WALLS OF THE WATER TANK, THEREBY PREVENTING ICE ACCUMULATION ON AND DAMAGE TO THE ANODES.
Inventors
- 👤 L Jacobs
- 👤 R Hull
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:30
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-02-27 | 1976-08-28 | 1977-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-27 | 1980-08-28 | 1981-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-27 | 1984-08-28 | 1985-02-27 | $7700.00 | Window Closed / Lapsed |