Patent US2950568A successfully refreshed from Google Patents.
US2950568A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Glass beading mechanism for electron guns
Assignee: RCA Corp
•
Filing: 1956-10-11
•
Granted: 1960-08-30
•
Expires: 1976-10-11
Abstract
No abstract record available.
Inventors
- 👤 Richard D Kissinger
- 👤 Robert F Maile
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:29
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/18; H01J2209/00; H01J2209/18; H01J2209/185
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2174853A
Cited
US2570660A
Cited
US2482071A
Cited
US2584466A
Cited
US2600076A
Cited
US2707848A
Cited
US2778966A
Cited
US2741069A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-08-30 | 1964-02-29 | 1964-08-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-08-30 | 1968-02-29 | 1968-08-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-08-30 | 1972-02-29 | 1972-08-30 | $7700.00 | Window Closed / Lapsed |