US2436447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sweep control for panoramic oscilloscopes
Assignee: COLONIAL RADIO Corp
•
Filing: 1944-05-23
•
Granted: 1948-02-24
•
Expires: 1964-05-23
Abstract
No abstract record available.
Inventors
- 👤 Packard Alden
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:37
CPC Classifications
G; G01; G01S; G01S7/00; G01S7/02; G01S7/04; G01S7/06; G01S7/10; G01S7/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1535329A
Cited
US2241809A
Cited
US2263377A
Cited
US2296727A
Cited
GB542634A
Cited
US2313966A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-23 | 1951-08-25 | 1952-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-23 | 1955-08-25 | 1956-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-23 | 1959-08-25 | 1960-02-24 | $7700.00 | Window Closed / Lapsed |