US2848411A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode
Assignee: Individual
•
Filing: 1955-04-12
•
Granted: 1958-08-19
•
Expires: 1975-04-12
Abstract
No abstract record available.
Inventors
- 👤 Forest H Hartzell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:09
CPC Classifications
C; C25; C25D; C25D17/00; C25D17/10; C25D17/12
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
155 words
A COMPOSITE ELECTRODE FOR USE IN AN ELECTROLYTIC CELL HAVING A LIQUID ELECTRLYTE IN WHICH ELECTRODE IS SUSPENDED AND AT LEAST PARTIALLY IMMERSED, COMPRISING IN COMBINATION AN ELONGATED MAIN BODY PORTION INCLUDING A METAL RESISTANT TO ELECTRLYTIC ATTACK BY SAID ELECTROLYTE, A CORE WITHIN SAID MAIN BODY PORTION AND EXTENDING SUBSTANTIALLY THROUGHOUT THE LENGTH THEREOF, SAID CORE INCLUDING A METAL OF GREATER CONDUCTIVITY THAN SAID MAIN BODY PORTION FOR CONDUCTING ELECTRICAL CURRENT SUBSTANTIALLY THROUGHOUT SAID MAIN BODY PORTION, A PROTECTIVE STEEL SHEATH ENCASING SAID CORE FOR PROTECTION THEREOF AGAINST CHEMICAL ATTACK BY SUBSTANCES IN SAID ELECTROLYTE WHICH PENETRATE SAID MAIN BODY PORTION, AND MEANS SPACING SAID CORE FROM SAID MAIN BODY PORTION ADJACENT ONE END THEREOF AND GENERALLY POSITIONED TO EXTEND FROM ABOVE TO BELOW THE LEVEL OF SAID LIQUID ELECTROLYTE, AND A PLURALITY OF DIRECT CONTACT POINTS PENETRATING SAID STEEL SHEATH AND INTEGRALLY UNITING SAID MAIN BODY PORTION WITH SAID CORE THROUGH SAID SHEATH.
References Cited (Backward Citations)
US2331320A
Cited
FR901532A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-18 | 1962-02-17 | 1962-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-18 | 1966-02-17 | 1966-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-18 | 1970-02-17 | 1970-08-19 | $7700.00 | Window Closed / Lapsed |