Patent US3133872A successfully refreshed from Google Patents.
US3133872A
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Anode for electrochemical applications
Assignee: CHEMIONICS ENGINEERING LAB Inc
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Filing: 1959-03-10
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Granted: 1964-05-19
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Expires: 1979-03-10
Abstract
No abstract record available.
Inventors
- 👤 Walter L Miller
- 👤 Herman S Preiser
- 👤 Tudor Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 20:35
CPC Classifications
C; C23; C23F; C23F13/00; C23F13/02; C23F13/06; C23F13/08; C23F13/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1477099A
Cited
US2222979A
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US2508171A
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US2719797A
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US2795541A
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DE904490C
Cited
US2863819A
Cited
US3038849A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-19 | 1967-11-18 | 1968-05-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-19 | 1971-11-18 | 1972-05-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-19 | 1975-11-18 | 1976-05-19 | $7700.00 | Window Closed / Lapsed |