US2569968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flash control electrode
Assignee: APPLIED HIGH FREQUENCY Ltd
•
Filing: 1948-01-05
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Granted: 1951-10-02
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Expires: 1968-01-05
Abstract
No abstract record available.
Inventors
- 👤 Autie Edward George
- 👤 Johnes Frederick William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:31
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/02; B29C65/04; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/112; B29C66/1122; B29C66/20; B29C66/21; B29C66/32; B29C66/326; B29C66/40; B29C66/41; B29C66/43; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; B29C66/73921; B29C66/80; B29C66/81; B29C66/816; B29C66/8161; B29C66/818; B29C66/8187; B29C66/81871; B29C66/82; B29C66/824; B29C66/8242; B29C66/83; B29C66/832; B29C66/8322; H; H01; H01J; H01J5/00; H01J5/20; H01J5/22; H01J5/24; B29C66/71; B29C66/731; B29C66/7314; B29C66/73143; H01J2893/00; H01J2893/0033; H01J2893/0037; H01J2893/0038
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2244455A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-01 | 1955-04-02 | 1955-10-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-01 | 1959-04-02 | 1959-10-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-01 | 1963-04-02 | 1963-10-02 | $7700.00 | Window Closed / Lapsed |