US3411029A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Color television picture tube
Assignee: RICHARD D KARR
•
Filing: 1966-04-04
•
Granted: 1968-11-12
•
Expires: 1986-04-04
Abstract
No abstract record available.
Inventors
- 👤 Richard D Karr
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 21:01
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/18; H01J29/30; H01J29/32; H01J29/322; H01J29/46; H01J29/48; H01J29/51; H04; H04N; H04N9/00; H04N9/12; H04N9/16; H04N9/28
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) | 1971-11-12 | 1972-05-13 | 1972-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-12 | 1976-05-13 | 1976-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-12 | 1980-05-13 | 1980-11-12 | $7700.00 | Window Closed / Lapsed |