Patent JPH0295232A successfully refreshed from Google Patents.
US2482043A
Expired / Lapsed
US
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Gettering for discharge tubes
Assignee: Hartford National Bank and Trust Co
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Filing: 1946-05-14
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Granted: 1949-09-13
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Expires: 1966-05-14
Abstract
No abstract record available.
Inventors
- 👤 Veenemans Cornelis Frederik
- 👤 Hamaker Hugo Christiaan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:49
CPC Classifications
H; H01; H01J; H01J17/00; H01J17/02; H01J17/22; H01J17/24; H01J5/00; H01J5/02; H01J5/08; H01J7/00; H01J7/14; H01J7/18; H01J7/183
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-12 | 1953-03-14 | 1953-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-12 | 1957-03-14 | 1957-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-12 | 1961-03-14 | 1961-09-13 | $7700.00 | Window Closed / Lapsed |