US3437579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anode assembly
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1966-03-28
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Granted: 1969-04-08
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Expires: 1986-03-28
Abstract
No abstract record available.
Inventors
- 👤 Frank Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:41
CPC Classifications
C; C25; C25B; C25B9/00; C25B9/60; C25B9/65
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
159 words
AN ANODE ASSEMBLY WHICH COMPRISES A HORIZONTALLYEXTENDING GRAPHITE ANODE PLATE, A GRAPHITE CONDUCTOR MEMBER IMPREGNATED THROUGHOUT WITH A WAX OR RESIN AND TERMINATING IN A BORE IN THE UPPER SURFACE OF THE SAID PLATE MAKING INTIMATE ELECTRICAL CONNECTION WITH THE WALLS OF SAID BORE, A CYLINDRICAL METAL CONDUCTOR TERMINATING IN A BORE IN THE UPPER SURFACE OF THE GRAPHITE CONDUCTOR MEMBER AND EXTENDING UPWARDLY OUT OF SAID BORE, THE WALLS OF THE BORE IN THE GRAPHITE CONDUCTOR MEMBER BEING COATED WITH A SOLDERABLE METAL AND THE METAL CONDUCTOR BEING FIXED THERETO BY MEANS OF A FUSIBLE METAL OR METAL ALLOY SOLDER, AND A SLEEVE OF TITANIUM HAVING A CYLINDRICAL SECTION CLOSELY SURROUNDING THE SAID UPWARDLY EXTENDING PORTION OF THE METAL CONDUCTOR AND HAVING AN OUTWARDLY AND DOWNWARDLY DIRECTED FLANGED PORTION AT ITS LOWER END, WHICH FLANGED PORTION IS SEALED TO THE UPPER RIM OF THE GRAPHITE CONDUCTOR MEMBER BY AN INTERPOSED LAYER OF SEALING MATERIAL AND A BONDING AGENT.
Claim 2
Dependent Claim
159 words
AN ANODE ASSEMBLY WHICH COMPRISES A HORIZONTALLYEXTENDING GRAPHITE ANODE PLATE, A GRAPHITE CONDUCTOR MEMBER IMPREGNATED THROUGHOUT WITH A WAX OR RESIN AND TERMINATING IN A BORE IN THE UPPER SURFACE OF THE SAID PLATE MAKING INTIMATE ELECTRICAL CONNECTION WITH THE WALLS OF SAID BORE, A CYLINDRICAL METAL CONDUCTOR TERMINATING IN A BORE IN THE UPPER SURFACE OF THE GRAPHITE CONDUCTOR MEMBER AND EXTENDING UPWARDLY OUT OF SAID BORE, THE WALLS OF THE BORE IN THE GRAPHITE CONDUCTOR MEMBER BEING COATED WITH A SOLDERABLE METAL AND THE METAL CONDUCTOR BEING FIXED THERETO BY MEANS OF A FUSIBLE METAL OR METAL ALLOY SOLDER, AND A SLEEVE OF TITANIUM HAVING A CYLINDRICAL SECTION CLOSELY SURROUNDING THE SAID UPWARDLY EXTENDING PORTION OF THE METAL CONDUCTOR AND HAVING AN OUTWARDLY AND DOWNWARDLY DIRECTED FLANGED PORTION AT ITS LOWER END, WHICH FLANGED PORTION IS SEALED TO THE UPPER RIM OF THE GRAPHITE CONDUCTOR MEMBER BY AN INTERPOSED LAYER OF SEALING MATERIAL AND A BONDING AGENT.
References Cited (Backward Citations)
US2433212A
Cited
US2820728A
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US2920004A
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US3037928A
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US3140991A
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US3260662A
Cited
US3345283A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-07 | 1972-10-07 | 1973-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-07 | 1976-10-07 | 1977-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-07 | 1980-10-07 | 1981-04-08 | $7700.00 | Window Closed / Lapsed |