US3440483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color television display device
Assignee: US Philips Corp
•
Filing: 1968-03-21
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Granted: 1969-04-22
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Expires: 1988-03-21
Abstract
No abstract record available.
Inventors
- 👤 Johannes Kaashoek
- 👤 Johannes Willem Versluis
- 👤 Piet Gerard Joseph Barten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 11:09
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/70; H01J29/701; H04; H04N; H04N3/00; H04N3/10; H04N3/16; H04N3/22; H04N3/23; H04N3/237; H04N9/00; H04N9/12; H04N9/16; H04N9/28; H04N9/285; H01J2229/00; H01J2229/96; H01J2229/964
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2829303A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-21 | 1972-10-21 | 1973-04-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-21 | 1976-10-21 | 1977-04-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-21 | 1980-10-21 | 1981-04-22 | $7700.00 | Window Closed / Lapsed |