Patent US3075911A successfully refreshed from Google Patents.
US3075911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathodic protection anode assembly
Assignee: Engelhard Industries Inc
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Filing: 1958-12-05
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Granted: 1963-01-29
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Expires: 1978-12-05
Abstract
No abstract record available.
Inventors
- 👤 Edward P Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 15:30
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/18; C23F2213/00; C23F2213/30; C23F2213/31; Y; Y10; Y10S; Y10S411/00; Y10S411/915
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
125 words
IN A CATHODIC PROTECTION ANODE ASSEMBLY, THE METAL HULL OF A SHIP, AN INSULATING SHEET SECURED TO SAID HULL, A DIS-SHAPED ANODE MOUNTED ON SAID SHEET, THE SURFACE AREA OF SAID SHEET EXCEEDING THAT OF SAID ANODE TO FORM A CIRCUMFERENTIAL MARGIN; THE ANODE SURFACE, SAID MARGIN AND SAID HULL FORMING A SUBSTANTIALY SMOOTHLY CONTINUING OUTER SURFACE; SAID ANODE HAVING A STEM A TUBULAR PACKING GLAND SECURED IN A BORE IN SAID HULL, THE STEM PROTRUDING INTO SAID GLAND, AT LEAST ONE INSULATING PACKING COMPRESSIBLY MOUNTED AND SUBSTANTIALLY ENCLOSED BETWEEN THE STEM AND THE GLAND''S INNER WALLS, AN ANNULAR JAM NUT THREADABLY ENGAGING THE PROTRUDING STEM PORTION FOR BOTH COMPRESSING SAID PACKING AND FOR FORCING SAD DISC-SHAPED ANODE TOWARD SAID HULL, THE INNER DIAMETER OF
Claim 2
Dependent Claim
125 words
IN A CATHODIC PROTECTION ANODE ASSEMBLY, THE METAL HULL OF A SHIP, AN INSULATING SHEET SECURED TO SAID HULL, A DIS-SHAPED ANODE MOUNTED ON SAID SHEET, THE SURFACE AREA OF SAID SHEET EXCEEDING THAT OF SAID ANODE TO FORM A CIRCUMFERENTIAL MARGIN; THE ANODE SURFACE, SAID MARGIN AND SAID HULL FORMING A SUBSTANTIALY SMOOTHLY CONTINUING OUTER SURFACE; SAID ANODE HAVING A STEM A TUBULAR PACKING GLAND SECURED IN A BORE IN SAID HULL, THE STEM PROTRUDING INTO SAID GLAND, AT LEAST ONE INSULATING PACKING COMPRESSIBLY MOUNTED AND SUBSTANTIALLY ENCLOSED BETWEEN THE STEM AND THE GLAND''S INNER WALLS, AN ANNULAR JAM NUT THREADABLY ENGAGING THE PROTRUDING STEM PORTION FOR BOTH COMPRESSING SAID PACKING AND FOR FORCING SAD DISC-SHAPED ANODE TOWARD SAID HULL, THE INNER DIAMETER OF
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |