Patent US3047478A successfully refreshed from Google Patents.
US3047478A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mitigating corrosion of marine structures
Assignee: Pure Oil Co
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Filing: 1959-11-25
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Granted: 1962-07-31
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Expires: 1979-11-25
Abstract
No abstract record available.
Inventors
- 👤 Glenn A Marsh
- 👤 Schaschl Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:39
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/10; E; E02; E02B; E02B17/00; E02B17/0017; E02B17/0026; C23F2213/00; C23F2213/30; C23F2213/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A METHOD OF MITIGATING THE CORROSION OF A CORRODIBLE, METALLIC, MARINE STRUCTURE EXTENDING IN A GENERALLY VERTICAL DIRECTION FROM A POINT ABOVE THE WATER SURFACE TO A POINT BELOW MEAN LOW TIDE COMPRISING ENSHEATHING THAT PORTION OF SAID STRUCTURE EXTENDING FROM A POINT ABOVE THE SPLASH ZONE TO A POINT BELOW MEAN LOW TIDE WITH A CORROSION-RESISTANT METAL WHICH IS CATHODIC WITH RESPECT TO SAID STRUCTURE, AND DISPOSING A GENERALLLY DISC-SHAPED SACRIFICIAL MEMBER AT THE LOWER TERMINUS OF SAID CORROSIONRESISTANT SHEATH AND ENCOMPASSING SAID STRUCTURE, SAID SACRIFICIAL MEMBER BEING IN ELECTRICAL CONTACT WITH SAID SHEATH, FABRICATED OF A METAL NOT SUBSTANTIALLY ANODIC OR CATHODIC WITH RESPECT TO SAID STRUCTURE, AND EXTENDING RADIALLY FROM SAID STRUCTURE A DISTANCE OF AT LEAST ABOUT 1 FOOT.
Claim 2
Independent Claim
123 words
A METHOD OF MITIGATING THE CORROSION OF A CORRODIBLE, METALLIC, MARINE STRUCTURE EXTENDING IN A GENERALLY VERTICAL DIRECTION FROM A POINT ABOVE THE WATER SURFACE TO A POINT BELOW MEAN LOW TIDE COMPRISING ENSHEATHING THAT PORTION OF SAID STRUCTURE EXTENDING FROM A POINT ABOVE THE SPLASH ZONE TO A POINT BELOW MEAN LOW TIDE WITH A CORROSION-RESISTANT METAL WHICH IS CATHODIC WITH RESPECT TO SAID STRUCTURE, AND DISPOSING A GENERALLLY DISC-SHAPED SACRIFICIAL MEMBER AT THE LOWER TERMINUS OF SAID CORROSIONRESISTANT SHEATH AND ENCOMPASSING SAID STRUCTURE, SAID SACRIFICIAL MEMBER BEING IN ELECTRICAL CONTACT WITH SAID SHEATH, FABRICATED OF A METAL NOT SUBSTANTIALLY ANODIC OR CATHODIC WITH RESPECT TO SAID STRUCTURE, AND EXTENDING RADIALLY FROM SAID STRUCTURE A DISTANCE OF AT LEAST ABOUT 1 FOOT.
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) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |