Patent US3294667A successfully refreshed from Google Patents.
US3294667A
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Magnetite-stabilized lead anode
Assignee: Veolia WTS Systems USA Inc
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Filing: 1962-09-05
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Granted: 1966-12-27
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Expires: 1982-09-05
Abstract
No abstract record available.
Inventors
- 👤 Anthony J Giuffrida
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:07
CPC Classifications
C; C25; C25D; C25D11/00; C25D11/02; C25D11/34; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/16; C25B; C25B11/00; C25B11/04; C25B11/051; C25B11/054; C23F2213/00; C23F2213/30; C23F2213/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
44 words
A COMPOSITE ARTICLE OF MANUFACTURE FOR USE AS AN ANODE ELECTRODES COMPRISING A LEAD METAL BASE HAVING PARTICLES OF A MAGNETITE AT LEAST PARTIALLY EMBEDDED THEREIN, THE WORKING SURFACE OF SAID ANODE COMPRISING AN ADHERENT LAYER OF LEAD PEROXIDE AND EXPOSED PARTICLES OF MAGNETITE.
Claim 2
Dependent Claim
44 words
A COMPOSITE ARTICLE OF MANUFACTURE FOR USE AS AN ANODE ELECTRODES COMPRISING A LEAD METAL BASE HAVING PARTICLES OF A MAGNETITE AT LEAST PARTIALLY EMBEDDED THEREIN, THE WORKING SURFACE OF SAID ANODE COMPRISING AN ADHERENT LAYER OF LEAD PEROXIDE AND EXPOSED PARTICLES OF MAGNETITE.
References Cited (Backward Citations)
US1647737A
Cited
US2305539A
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US2723704A
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US2813825A
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GB870277A
Cited
US3103484A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |