US2354148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push-button tuner for radio receivers
Assignee: RCA Corp
•
Filing: 1942-09-15
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Granted: 1944-07-18
•
Expires: 1962-09-15
Abstract
No abstract record available.
Inventors
- 👤 Hubert R Shaw
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:22
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/24
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) | 1947-07-18 | 1948-01-17 | 1948-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-07-18 | 1952-01-17 | 1952-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-07-18 | 1956-01-17 | 1956-07-18 | $7700.00 | Window Closed / Lapsed |