US2908623A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anode
Assignee: Engelhard Industries Inc
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Filing: 1957-05-20
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Granted: 1959-10-13
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Expires: 1977-05-20
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter F Doring
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 14:49
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/18; C23F13/10; C23F2213/00; C23F2213/30; C23F2213/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
173 words
IN A CATHODIC PROTECTION SYSTEM, A CONDUCTING WALL SURFACE HAVING ONE SIDE IN CONTACT WITH AN ELECTROLYTE; AN ANODE ASSEMBLY EXTENDING THROUGH SAID WALL IN CONTACT WITH SAID ELECTROLYTE; AND MEANS FOR ESTABLISHING A POSITIVE POTENTIAL BETWEEN SAID ELECTRODE ASSEMBLY AND SAID WALL SURFACE; SAID ELECTRODE ASSEMBLY COMPRISING AN ELONGATED SUBSTANTIALLY RIGID ROD OF PLASTIC INSULATING MATERIAL, A TRANSVERSE BORE EXTENDING FROM ONE SIDE THROUGH THE CENTER OF SAID ROD NEAR A FIRST END OF SAID ROD, A SUBSTANTIALLY AXIAL BORE EXTENDING FROM THE OTHER END OF SAID ROD TO THE TRANSVERSE BORE, CONDUCTING MEANS ON THE PERIPHERY OF SAID ROD AND EXTENDING FROM A POINT NEAR SAID TRANSVERSE BORE AND SPACED FROM THE FIRST END OF SAID ROD A SUBSTANTIAL DISTANCE TOWARD THE OTHER END OF SAID ROD, SAID CONDUCTING MEANS COMPRISING PLATINUM, SAID CONDUCTING MEANS FURTHER HAVING DIRECT LONGITUDINAL AND PERIPHERAL ELECTRICAL AND MECHANICAL CONTINUITY, A CONDUCTING WIRE EXTENDING FROM SAID CONDUCTING MEANS THROUGH SAID TWO BORES TO THE OTHER END OF SAID ROD, AND PLASTIC INSULATING MATERIAL SEALING SAID BORES.
Claim 2
Dependent Claim
173 words
IN A CATHODIC PROTECTION SYSTEM, A CONDUCTING WALL SURFACE HAVING ONE SIDE IN CONTACT WITH AN ELECTROLYTE; AN ANODE ASSEMBLY EXTENDING THROUGH SAID WALL IN CONTACT WITH SAID ELECTROLYTE; AND MEANS FOR ESTABLISHING A POSITIVE POTENTIAL BETWEEN SAID ELECTRODE ASSEMBLY AND SAID WALL SURFACE; SAID ELECTRODE ASSEMBLY COMPRISING AN ELONGATED SUBSTANTIALLY RIGID ROD OF PLASTIC INSULATING MATERIAL, A TRANSVERSE BORE EXTENDING FROM ONE SIDE THROUGH THE CENTER OF SAID ROD NEAR A FIRST END OF SAID ROD, A SUBSTANTIALLY AXIAL BORE EXTENDING FROM THE OTHER END OF SAID ROD TO THE TRANSVERSE BORE, CONDUCTING MEANS ON THE PERIPHERY OF SAID ROD AND EXTENDING FROM A POINT NEAR SAID TRANSVERSE BORE AND SPACED FROM THE FIRST END OF SAID ROD A SUBSTANTIAL DISTANCE TOWARD THE OTHER END OF SAID ROD, SAID CONDUCTING MEANS COMPRISING PLATINUM, SAID CONDUCTING MEANS FURTHER HAVING DIRECT LONGITUDINAL AND PERIPHERAL ELECTRICAL AND MECHANICAL CONTINUITY, A CONDUCTING WIRE EXTENDING FROM SAID CONDUCTING MEANS THROUGH SAID TWO BORES TO THE OTHER END OF SAID ROD, AND PLASTIC INSULATING MATERIAL SEALING SAID BORES.
References Cited (Backward Citations)
US806413A
Cited
US1032295A
Cited
US1489743A
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US1506306A
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US2215213A
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US2416949A
Cited
US2537061A
Cited
US2826543A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-12 | 1963-04-13 | 1963-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-12 | 1967-04-13 | 1967-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-12 | 1971-04-13 | 1971-10-13 | $7700.00 | Window Closed / Lapsed |