US2205250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radio and other high frequency feeder arrangements
Assignee: RCA Corp
•
Filing: 1937-04-19
•
Granted: 1940-06-18
•
Expires: 1957-04-19
Abstract
No abstract record available.
Inventors
- 👤 Franklin Charles Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 17:21
CPC Classifications
H; H03; H03H; H03H7/00; H03H7/01; H03H7/0123; H01; H01P; H01P5/00; H01P5/12
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) | 1943-06-18 | 1943-12-18 | 1944-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-06-18 | 1947-12-18 | 1948-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-06-18 | 1951-12-18 | 1952-06-18 | $7700.00 | Window Closed / Lapsed |