US2796545A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic discharge tube
Assignee: Electronized Chemicals Corp
•
Filing: 1949-12-21
•
Granted: 1957-06-18
•
Expires: 1969-12-21
Abstract
No abstract record available.
Inventors
- 👤 Brasch Arno
- 👤 Huber Wolfgang
- 👤 Waly Adnan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:00
CPC Classifications
H; H05; H05H; H05H1/00; H01; H01J; H01J37/00; H01J37/32
Claims Analysis
Total Claims: 0
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US2517260A
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US2501882A
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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) | 1960-06-17 | 1960-12-17 | 1961-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-06-17 | 1964-12-17 | 1965-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-06-17 | 1968-12-17 | 1969-06-18 | $7700.00 | Window Closed / Lapsed |