US2466967A
Expired / Lapsed
US
⏱️ 0.0 years remaining
High-tension rectifier anode
Assignee: Hartford National Bank and Trust Co
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Filing: 1945-04-07
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Granted: 1949-04-12
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Expires: 1965-04-07
Abstract
No abstract record available.
Inventors
- 👤 Pressel Otto
- 👤 Diepstraten Gerardus A Marinus
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:51
CPC Classifications
H; H01; H01J; H01J19/00; H01J19/28; H01J2893/00; H01J2893/0001; H01J2893/0012; H01J2893/0013
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) | 1952-04-11 | 1952-10-11 | 1953-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-04-11 | 1956-10-11 | 1957-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-04-11 | 1960-10-11 | 1961-04-12 | $7700.00 | Window Closed / Lapsed |