US2982878A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrode support
Assignee: RCA Corp
•
Filing: 1954-11-23
•
Granted: 1961-05-02
•
Expires: 1974-11-23
Abstract
No abstract record available.
Inventors
- 👤 Smith Edgar Merle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:46
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/46; H01J29/82
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US8795A
Cited
US171394A
Cited
US1973006A
Cited
US2056751A
Cited
US2144820A
Cited
US2430478A
Cited
US2463577A
Cited
US2561247A
Cited
US2701320A
Cited
US2707848A
Cited
US2732511A
Cited
US2834907A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-01 | 1964-10-31 | 1965-05-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-01 | 1968-10-31 | 1969-05-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-01 | 1972-10-31 | 1973-05-02 | $7700.00 | Window Closed / Lapsed |