US2806165A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode ray tube
Assignee: RCA Corp
•
Filing: 1954-08-18
•
Granted: 1957-09-10
•
Expires: 1974-08-18
Abstract
No abstract record available.
Inventors
- 👤 Harold B Law
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:16
CPC Classifications
H; H01; H01J; H01J29/00; H01J29/02; H01J29/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2123957A
Cited
FR867824A
Cited
US2289906A
Cited
US2580697A
Cited
US2585614A
Cited
US2663821A
Cited
US2682620A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-09-09 | 1961-03-11 | 1961-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-09-09 | 1965-03-11 | 1965-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-09-09 | 1969-03-11 | 1969-09-10 | $7700.00 | Window Closed / Lapsed |