Patent US2585614A successfully refreshed from Google Patents.
US2585614A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Metal cone cathode-ray tube
Assignee: Rauland Borg Corp
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Filing: 1950-12-29
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Granted: 1952-02-12
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Expires: 1970-12-29
Abstract
No abstract record available.
Inventors
- 👤 James S Bailey
- 👤 Adolph W Schmidt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:48
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/86; H01J29/861; H01J9/00; H01J9/20; H01J9/22; H01J9/221; H01J9/223
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2219574A
Cited
US2189261A
Cited
US2232098A
Cited
US2254090A
Cited
US2446440A
Cited
US2523406A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-11 | 1955-08-13 | 1956-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-11 | 1959-08-13 | 1960-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-11 | 1963-08-13 | 1964-02-12 | $7700.00 | Window Closed / Lapsed |