Patent US3010271A successfully refreshed from Google Patents.
Patent US2393057A successfully refreshed from Google Patents.
US2393057A
Expired / Lapsed
US
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Cathode assembly
Assignee: JACQUES KRIESLER Manufacturing CORP
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Filing: 1944-01-18
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Granted: 1946-01-15
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Expires: 1964-01-18
Abstract
No abstract record available.
Inventors
- 👤 O'larte Rudolph
- 👤 Speck Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:05
CPC Classifications
H; H01; H01J; H01J3/00; H01J3/02; H01J3/028; H01J29/00; H01J29/46; H01J29/48; H01J29/485
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1949-01-14 | 1949-07-16 | 1950-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1953-01-14 | 1953-07-16 | 1954-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1957-01-14 | 1957-07-16 | 1958-01-15 | $7700.00 | Window Closed / Lapsed |