US3022243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anode assembly for cathodic protection systems
Assignee: Engelhard Industries Inc
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Filing: 1959-04-28
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Granted: 1962-02-20
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Expires: 1979-04-28
Abstract
No abstract record available.
Inventors
- 👤 Edward P Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:02
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/18; C23F2213/00; C23F2213/30; C23F2213/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
144 words
AN ANODE ASSEMBLY COMPRISING A SUBSTANTIALLY PLATESHAPED INSULATING PLASTIC SUPPORT, A CIRCULAR THIN PLATE OF CORROSION RESISTANT METAL SERVING AS THE ANODE AND HAVING ONE SURFACE, IN CONTACT WITH ONE CIRCULAR SURFACE OF SAID SUPPORT, A CIRCUMFERENTIAL AREA AND A CENTRAL CIRCULAR AREA OF SAID THIN METAL PLATE BEING BENT OUT OF THE PLANE OF THE PLATE TO FORM A RIM AND A CUP-SHAPED RECESS, RESPECTIVELY, SAID RECESS HAVING A BOTTOM PORTION AND A SUBSTANTIALLY ANNULAR SIDE WALL, A PLURALITY OF PERFORATIONS THROUGH SAID SIDE WALL, SAID RECESS AND SAID RIM BEING IMBEDDED IN THE INSULATING SUPPORT, THE RECESS BEING FILLED WITH PLATIC MATERIAL, WHICH FILLING MATERIAL FORM A BOND WITH THE REMAINDER OF THE SUPPORT THROUGH SAID PERFORATIONS, ELECTRICAL CONNECTING MEANS SECURED TO THE BOTTOM PORTIONS OF THE CUP-SHAPED RECESS AND EXTENDING THROUGH THE INSULATING SUPPORT TO PROTRUDE THEREFROM AT THE OTHER SURFACE.
Claim 2
Dependent Claim
144 words
AN ANODE ASSEMBLY COMPRISING A SUBSTANTIALLY PLATESHAPED INSULATING PLASTIC SUPPORT, A CIRCULAR THIN PLATE OF CORROSION RESISTANT METAL SERVING AS THE ANODE AND HAVING ONE SURFACE, IN CONTACT WITH ONE CIRCULAR SURFACE OF SAID SUPPORT, A CIRCUMFERENTIAL AREA AND A CENTRAL CIRCULAR AREA OF SAID THIN METAL PLATE BEING BENT OUT OF THE PLANE OF THE PLATE TO FORM A RIM AND A CUP-SHAPED RECESS, RESPECTIVELY, SAID RECESS HAVING A BOTTOM PORTION AND A SUBSTANTIALLY ANNULAR SIDE WALL, A PLURALITY OF PERFORATIONS THROUGH SAID SIDE WALL, SAID RECESS AND SAID RIM BEING IMBEDDED IN THE INSULATING SUPPORT, THE RECESS BEING FILLED WITH PLATIC MATERIAL, WHICH FILLING MATERIAL FORM A BOND WITH THE REMAINDER OF THE SUPPORT THROUGH SAID PERFORATIONS, ELECTRICAL CONNECTING MEANS SECURED TO THE BOTTOM PORTIONS OF THE CUP-SHAPED RECESS AND EXTENDING THROUGH THE INSULATING SUPPORT TO PROTRUDE THEREFROM AT THE OTHER SURFACE.
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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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |