US2527294A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Carbon electrode
Assignee: GREAT LAKES CARBON Corp
•
Filing: 1949-01-03
•
Granted: 1950-10-24
•
Expires: 1969-01-03
Abstract
No abstract record available.
Inventors
- 👤 Bruce L Bailey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:13
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/14; H05B7/06; H05B7/08; H05B7/085; Y; Y02; Y02P; Y02P10/00; Y02P10/25; Y10; Y10S; Y10S403/00; Y10S403/05; Y10T; Y10T403/00; Y10T403/55; Y10T403/556; Y10T403/70; Y10T403/7016
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB191106986A
Cited
GB191106984A
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US1058057A
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US1040830A
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US1287678A
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US1348434A
Cited
US1467060A
Cited
GB197638A
Cited
US1743888A
Cited
FR628842A
Cited
US1850515A
Cited
US2067206A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-23 | 1954-04-24 | 1954-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-23 | 1958-04-24 | 1958-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-23 | 1962-04-24 | 1962-10-24 | $7700.00 | Window Closed / Lapsed |