US2847375A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for corrosion prevention
Assignee: Texaco Inc
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Filing: 1953-07-13
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Granted: 1958-08-12
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Expires: 1973-07-13
Abstract
No abstract record available.
Inventors
- 👤 Gordon J W Murphy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:26
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F2213/00; C23F2213/20; C23F2213/22; C23F2213/30; C23F2213/31; E; E02; E02B; E02B17/00; E02B17/0017; E02B17/0026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
IN COMBINATION A METAL MEMBER WHICH EXTENDS FROM ABOVE THE SURFACE OF A BODY OF AN AQUEOUS ELECTROLYTE DOWN INTO SAID BODY BELOW THE LOWEST SURFACE LEVEL REACHED THEREBY, SAID MEMBER HAVING AT LEAST A PART THEREOF ABOVE SAID LOWEST SURFACE LEVEL THAT IS NORMALLY WET ONLY INTERMITTENTLY BY AQUEOUS ELECTROLYTE FROM SAID BODY; A BIBULOUS MASS OF MATERIAL COEXTENSIVELY SURROUNDING AND CONTACTING SAID PART AND EXTENDING DOWN BELOW SAID LOWEST SURFACE LEVEL; AN AQUEOUS ELECTROLYTE PERMEABLE SHELL COEXTENSIVELY SURROUNDING AND CONTACTING SAID MASS AND RETAINING SAID MASS IN CONTACT WITH SAID METAL MEMBER; A SACRIFICIAL METAL ANODE OF METAL WHICH HAS A HIGHER ANODIC SOLUTION POTENTIAL THAN DOES
Claim 2
Dependent Claim
109 words
IN COMBINATION A METAL MEMBER WHICH EXTENDS FROM ABOVE THE SURFACE OF A BODY OF AN AQUEOUS ELECTROLYTE DOWN INTO SAID BODY BELOW THE LOWEST SURFACE LEVEL REACHED THEREBY, SAID MEMBER HAVING AT LEAST A PART THEREOF ABOVE SAID LOWEST SURFACE LEVEL THAT IS NORMALLY WET ONLY INTERMITTENTLY BY AQUEOUS ELECTROLYTE FROM SAID BODY; A BIBULOUS MASS OF MATERIAL COEXTENSIVELY SURROUNDING AND CONTACTING SAID PART AND EXTENDING DOWN BELOW SAID LOWEST SURFACE LEVEL; AN AQUEOUS ELECTROLYTE PERMEABLE SHELL COEXTENSIVELY SURROUNDING AND CONTACTING SAID MASS AND RETAINING SAID MASS IN CONTACT WITH SAID METAL MEMBER; A SACRIFICIAL METAL ANODE OF METAL WHICH HAS A HIGHER ANODIC SOLUTION POTENTIAL THAN DOES
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) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |