US2808373A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermopile-anode structure
Assignee: AO Smith Corp
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Filing: 1953-07-03
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Granted: 1957-10-01
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Expires: 1973-07-03
Abstract
No abstract record available.
Inventors
- 👤 Orrin E Andrus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:23
CPC Classifications
H; H10; H10N; H10N10/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
A THEMXXXXNODE XXXURE FOR THE CATHODIC PROPASING A THERMAXXXXXING SECURED TO THE WALL OF THE CONPXXING A THERNXXXX SECURED TO THE WALL OF THE COMTAINER AT COINCIDING OPENING IN THE CASING AND THE CONTAINER WALL, AN ANODE EXTENDING INTO SAID CONTAINER FROM SAID COINCIDING OPENING AND ADAPTED TO CONTACT THE COR ROSIVE LIQUID IN THE CONTAINER, A THEREMOPLIE WITHIN A CHAMBER PROVIDED IN SAID THERMOPILE CASING AND ELECTRICCALLY CONNECTED TO SAID ANODE THROUGH SAID OPENINGS AND TO SAID CONTAINER WALL, AND ELECTRICALLY INSULTATING MEANS SUPPORTING SAID ANODE IN SAID OPENINGS SAID SEALING SAID OPENING TO HERMETICALLY SEPERATE THE THERMOPILE CHAMBER FROM THE INSISE OF THE CONTAINER.
References Cited (Backward Citations)
US88285A
Cited
US2698291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-30 | 1961-04-01 | 1961-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-30 | 1965-04-01 | 1965-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-30 | 1969-04-01 | 1969-10-01 | $7700.00 | Window Closed / Lapsed |