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US2668183A
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Electrode suspension mechanism and method of operation
Assignee: Elektrokemisk AS
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Filing: 1951-09-11
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Granted: 1954-02-02
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Expires: 1971-09-11
Abstract
No abstract record available.
Inventors
- 👤 Foyn Kjeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:11
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/10; H05B7/103; Y; Y10; Y10S; Y10S81/00; Y10S81/09; Y10T; Y10T24/00; Y10T24/44; Y10T24/44291; Y10T24/44325; Y10T24/44573; Y10T24/44581
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1760395A
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US1889282A
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US1892109A
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US2121578A
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US2179153A
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US2297484A
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US2580518A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-02-01 | 1957-08-03 | 1958-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-02-01 | 1961-08-03 | 1962-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-02-01 | 1965-08-03 | 1966-02-02 | $7700.00 | Window Closed / Lapsed |