USRE27529E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Galvanic anode
Assignee: —
•
Filing: 1972-08-07
•
Granted: 1972-12-12
•
Expires: 1992-08-07
Abstract
Abstract A GALVANIC ANODE ADAPTED PARTICULARLY FOR THE CATHODIC PROCTECTION OF RELATIVELY LARGE DIAMETER PIPELINE SUBMERGED IN WATER BODIES. THE ANODE CONSISTS OF AT LEAST A PAIR OF (SEMICYLINDRICAL) ARCUATE SEGMENTS CONSTRUCTED OF A SUITABLE GALVANIC METAL AND HAVING COMPLETELY EMBEDDED WITHIN THE GALVANIC METAL STEEL CORE OR AMATURE SECTIONS ADAPTED TO BE CONNECTED TOGETHER TO JOINED THE ANODE SECTION INTO "BRACELET" ABOUT THE PIPE.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:26
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) | 1975-12-12 | 1976-06-12 | 1976-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-12-12 | 1980-06-12 | 1980-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-12-12 | 1984-06-12 | 1984-12-12 | $7700.00 | Window Closed / Lapsed |