US2502202A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unitary inductor and trimming capacitor
Assignee: RCA Corp
•
Filing: 1945-07-17
•
Granted: 1950-03-28
•
Expires: 1965-07-17
Abstract
No abstract record available.
Inventors
- 👤 Burroughes Eric Randall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:16
CPC Classifications
H; H03; H03H; H03H5/00; H03H5/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1582555A
Cited
GB440950A
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US2059816A
Cited
US2073940A
Cited
US2147425A
Cited
US2338134A
Cited
GB556167A
Cited
GB560372A
Cited
US2403349A
Cited
US2394391A
Cited
US2398112A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-03-27 | 1953-09-26 | 1954-03-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-03-27 | 1957-09-26 | 1958-03-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-03-27 | 1961-09-26 | 1962-03-28 | $7700.00 | Window Closed / Lapsed |