US2855358A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Galvanic anode
Assignee: Dow Chemical Co
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Filing: 1955-02-01
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Granted: 1958-10-07
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Expires: 1975-02-01
Abstract
No abstract record available.
Inventors
- 👤 Douglas Burke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 23:23
CPC Classifications
C; C02; C02F; C02F1/00; C02F1/48; C02F1/481; B; B63; B63B; B63B59/00; B63B59/04; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/10; C23F13/18; C23F2213/00; C23F2213/30; C23F2213/31
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
A RECTANGULAR BLOCK-SHAPED GALVANIC ANODE ASSEMBLY COMPRISING A MAGNESIUM ANODE BODY, A METAL CORE EMBEDDED IN SAID ANODE BODY AND BONDED THERETO, SAID CORE EXTENDING FROM SAID ANODE BODY, AND A CLOSELY FITTED COATING OF ELECTRICALLY INSULATING LIQUID IMPERVIOUS MATERIAL SURROUNDING SAID ANODE BODY, SAID COATING CONTAINING PERFORATIONS ADJACENT TO AT LEAST ONE SURFACE OF SAID ANODE BODY, SAID PERFORATIONS ARE EACH EQUIVALENT TO OR EXCEED IN AREA THE AREA OF A CIRCLE HAVING A DIAMETER OF ONE-EIGHTH INCH.
Claim 2
Dependent Claim
79 words
A RECTANGULAR BLOCK-SHAPED GALVANIC ANODE ASSEMBLY COMPRISING A MAGNESIUM ANODE BODY, A METAL CORE EMBEDDED IN SAID ANODE BODY AND BONDED THERETO, SAID CORE EXTENDING FROM SAID ANODE BODY, AND A CLOSELY FITTED COATING OF ELECTRICALLY INSULATING LIQUID IMPERVIOUS MATERIAL SURROUNDING SAID ANODE BODY, SAID COATING CONTAINING PERFORATIONS ADJACENT TO AT LEAST ONE SURFACE OF SAID ANODE BODY, SAID PERFORATIONS ARE EACH EQUIVALENT TO OR EXCEED IN AREA THE AREA OF A CIRCLE HAVING A DIAMETER OF ONE-EIGHTH INCH.
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) | 1961-10-06 | 1962-04-07 | 1962-10-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-06 | 1966-04-07 | 1966-10-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-06 | 1970-04-07 | 1970-10-07 | $7700.00 | Window Closed / Lapsed |