US3439208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multicolor display screen distinguishing between fixed and moving objects
Assignee: GTE Sylvania Inc
•
Filing: 1967-11-21
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Granted: 1969-04-15
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Expires: 1987-11-21
Abstract
No abstract record available.
Inventors
- 👤 Anthony V Gallaro
- 👤 Bryce W Van Noy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:08
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/20; H01J9/22; C; C09; C09K; C09K11/00; C09K11/08; C09K11/58; C09K11/582; C09K11/584; C09K11/77; C09K11/7708; C09K11/7715; C09K11/77212; C09K11/7766; C09K11/7767; C09K11/7769; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/187; H01J29/26; H01J29/30; H01J29/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2452522A
Cited
US2423830A
Cited
US2435436A
Cited
US2446248A
Cited
US3280358A
Cited
GB1022930A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |