Patent US2627587A successfully refreshed from Google Patents.
US2627587A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode-ray tube
Assignee: Individual
•
Filing: 1950-03-07
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Granted: 1953-02-03
•
Expires: 1970-03-07
Abstract
No abstract record available.
Inventors
- 👤 Hans W Kohler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:39
CPC Classifications
G; G09; G09G; G09G1/00; G09G1/06; G06; G06F; G06F7/00; G06F7/38; G06F7/388
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1977398A
Cited
US2053268A
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US2193539A
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US2541023A
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US2365476A
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US2435840A
Cited
US2435841A
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US2465380A
Cited
US2524789A
Cited
US2540835A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-02-03 | 1956-08-04 | 1957-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-02-03 | 1960-08-04 | 1961-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-02-03 | 1964-08-04 | 1965-02-03 | $7700.00 | Window Closed / Lapsed |