US2584144A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Positive pedestal switched video tube
Assignee: Individual
•
Filing: 1949-09-07
•
Granted: 1952-02-05
•
Expires: 1969-09-07
Abstract
No abstract record available.
Inventors
- 👤 Peter T Maresca
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:56
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2221115A
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US2303924A
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US2345932A
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US2366357A
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GB579973A
Cited
US2464822A
Cited
US2420516A
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US2471530A
Cited
US2455992A
Cited
US2452655A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-04 | 1955-08-06 | 1956-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-04 | 1959-08-06 | 1960-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-04 | 1963-08-06 | 1964-02-05 | $7700.00 | Window Closed / Lapsed |