US2510230A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode joint
Assignee: Union Carbide Corp
•
Filing: 1949-01-15
•
Granted: 1950-06-06
•
Expires: 1969-01-15
Abstract
No abstract record available.
Inventors
- 👤 Harry V Johnson
- 👤 Harry C Stieber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 00:59
CPC Classifications
H; H05; H05B; H05B7/00; H05B7/02; H05B7/14; C; C25; C25B; C25B11/00; C25B11/04; C25B11/042; C25B11/043; Y; Y02; Y02P; Y02P10/00; Y02P10/25; Y10; Y10S; Y10S403/00; Y10S403/05; Y10T; Y10T403/00; Y10T403/47; Y10T403/472; Y10T403/473; Y10T403/477; Y10T403/55; Y10T403/556
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US979465A
Cited
US1018003A
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US1097227A
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US1112361A
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US1315992A
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US1495749A
Cited
US1534269A
Cited
US1572534A
Cited
US1785587A
Cited
US2093390A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-06-05 | 1953-12-05 | 1954-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-06-05 | 1957-12-05 | 1958-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-06-05 | 1961-12-05 | 1962-06-06 | $7700.00 | Window Closed / Lapsed |