US2843777A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode-ray tubes
Assignee: Rauland Borg Corp
•
Filing: 1954-01-28
•
Granted: 1958-07-15
•
Expires: 1974-01-28
Abstract
No abstract record available.
Inventors
- 👤 Coustantin S Szegho
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:42
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/94
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2159946A
Cited
US2217198A
Cited
US2547200A
Cited
US2509702A
Cited
US2716203A
Cited
US2666864A
Cited
US2741717A
Cited
US2627043A
Cited
US2758240A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-07-14 | 1962-01-13 | 1962-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-07-14 | 1966-01-13 | 1966-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-07-14 | 1970-01-13 | 1970-07-15 | $7700.00 | Window Closed / Lapsed |