US3753888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Anode fitting
Assignee: Elster Perfection Corp
•
Filing: 1970-11-24
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Granted: 1973-08-21
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Expires: 1990-11-24
Abstract
Abstract An anode fitting for use in hot water tanks comprising a connector member adapted to be threadedly received within an opening in the water tank, a tubular intermediate member telescoped within the connector member and attached thereto, and a cylindrical electrode telescoped into the tubular intermediate member and secured thereto. An impervious covering is provided on the external surface of the tubular intermediate member. A perforated covering is provided on the external surface of the electrode.
Inventors
- 👤 S Alewitz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 21:37
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-20 | 1977-02-19 | 1977-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-20 | 1981-02-19 | 1981-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-20 | 1985-02-19 | 1985-08-21 | $7700.00 | Window Closed / Lapsed |