US3020434A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self shielding electron gun and cathode ray tube system including same
Assignee: Lanteris Space LLC
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Filing: 1958-12-08
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Granted: 1962-02-06
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Expires: 1978-12-08
Abstract
No abstract record available.
Inventors
- 👤 Ralph A Bloomsburgh
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 20:05
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/54; H01J29/48; H01J29/58; H01J29/62; H01J29/622; H01J29/624; H01J29/70; H01J29/701; H01J29/702; H01J29/703; H01J29/707; H01J2229/00; H01J2229/58; H01J2229/581; H01J2229/583; H01J2229/5835
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) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |