US2532188A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Ion discharge tube for high voltages
Assignee: Hartford National Bank and Trust Co
•
Filing: 1946-07-16
•
Granted: 1950-11-28
•
Expires: 1966-07-16
Abstract
No abstract record available.
Inventors
- 👤 Penning Frans Michel
- 👤 Moubis Jozef Hubert August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 06:39
CPC Classifications
H; H01; H01J; H01J13/00; H01J13/02; H01J13/48
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1739443A
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US1654950A
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US1799345A
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US2081247A
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US1987645A
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US2259040A
Cited
US2249672A
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US2363865A
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US2432051A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-11-27 | 1954-05-29 | 1954-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-11-27 | 1958-05-29 | 1958-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-11-27 | 1962-05-29 | 1962-11-28 | $7700.00 | Window Closed / Lapsed |