US2419968A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Push button tuner for multiband radio receivers
Assignee: General Electric Co
•
Filing: 1944-07-26
•
Granted: 1947-05-06
•
Expires: 1964-07-26
Abstract
No abstract record available.
Inventors
- 👤 Roberts Bruce
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:50
CPC Classifications
H; H03; H03J; H03J5/00; H03J5/02; H03J5/14; H03J5/143
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USRE22087E
Cited
US1955639A
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US2103035A
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US2191562A
Cited
US2276724A
Cited
US2214506A
Cited
US2310720A
Cited
US2356935A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-05-05 | 1950-11-04 | 1951-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-05-05 | 1954-11-04 | 1955-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-05-05 | 1958-11-04 | 1959-05-06 | $7700.00 | Window Closed / Lapsed |