Patent US3067486A successfully refreshed from Google Patents.
US3067486A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Target electrode for barrier grid storage tube and method of making same
Assignee: TDK Micronas GmbH
•
Filing: 1957-06-20
•
Granted: 1962-12-11
•
Expires: 1977-06-20
Abstract
No abstract record available.
Inventors
- 👤 Cyril L Day
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:05
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/10; H01J29/36; H01J29/39; H01J29/41
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2563488A
Cited
US2281280A
Cited
US2286478A
Cited
US2750655A
Cited
US2749471A
Cited
US2770747A
Cited
US2834900A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-12-10 | 1966-06-11 | 1966-12-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-12-10 | 1970-06-11 | 1970-12-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-12-10 | 1974-06-11 | 1974-12-11 | $7700.00 | Window Closed / Lapsed |