US2939979A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color pure cathode ray tube display mechanism
Assignee: Individual
•
Filing: 1957-04-26
•
Granted: 1960-06-07
•
Expires: 1977-04-26
Abstract
No abstract record available.
Inventors
- 👤 Sol L Reiches
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 15:31
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/70; H01J29/701; H01J29/702; H01J29/703
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2258643A
Cited
US2513221A
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US2541446A
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US2591159A
Cited
US2763804A
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US2769110A
Cited
US2849647A
Cited
US2816244A
Cited
US2859365A
Cited
US2825835A
Cited
US2859378A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-06-07 | 1963-12-07 | 1964-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-06-07 | 1967-12-07 | 1968-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-06-07 | 1971-12-07 | 1972-06-07 | $7700.00 | Window Closed / Lapsed |