US2518848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode support
Assignee: Westinghouse Electric Corp
•
Filing: 1947-01-10
•
Granted: 1950-08-15
•
Expires: 1967-01-10
Abstract
No abstract record available.
Inventors
- 👤 Jens J Aakjer
- 👤 William J Knochel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 13:26
CPC Classifications
H; H01; H01J; H01J1/00; H01J1/02; H01J1/36; H01J19/00; H01J19/28; H01J5/00; H01J5/32; H01J2893/00; H01J2893/0001; H01J2893/0011; H01J2893/0048; H01J2893/0051; H01J2893/0053; Y; Y10; Y10S; Y10S228/00; Y10S228/903; Y10T; Y10T403/00; Y10T403/47; Y10T403/477
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB219395A
Cited
US1815762A
Cited
US1951612A
Cited
US1990728A
Cited
US2174374A
Cited
US2024585A
Cited
US2195913A
Cited
US2242774A
Cited
US2356566A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-08-14 | 1954-02-13 | 1954-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-08-14 | 1958-02-13 | 1958-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-08-14 | 1962-02-13 | 1962-08-15 | $7700.00 | Window Closed / Lapsed |