US2884475A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clamp members for supporting electrodes
Assignee: Elektrokemisk AS
•
Filing: 1957-07-12
•
Granted: 1959-04-28
•
Expires: 1977-07-12
Abstract
No abstract record available.
Inventors
- 👤 Foyn Kjeld
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 11:41
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/10; H05B7/103; H05B7/105; Y; Y10; Y10T; Y10T24/00; Y10T24/44; Y10T24/44068
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1472215A
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US1691505A
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US1702359A
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US2423714A
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US2668183A
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US2753388A
Cited
US2673227A
Cited
US2758145A
Cited
US2778865A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-27 | 1962-10-27 | 1963-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-27 | 1966-10-27 | 1967-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-27 | 1970-10-27 | 1971-04-28 | $7700.00 | Window Closed / Lapsed |