US2263733A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cathode ray oscillograph
Assignee: RCA Corp
•
Filing: 1939-02-25
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Granted: 1941-11-25
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Expires: 1959-02-25
Abstract
No abstract record available.
Inventors
- 👤 Knoll Max
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:21
CPC Classifications
A; A01; A01M; A01M1/00; A01M1/08; H; H01; H01J; H01J31/00; H01J31/08; H01J31/10; H01J31/12; H01J31/121; A01M2200/00; A01M2200/01; A01M2200/012
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1944-11-24 | 1945-05-26 | 1945-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-11-24 | 1949-05-26 | 1949-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-11-24 | 1953-05-26 | 1953-11-25 | $7700.00 | Window Closed / Lapsed |