US2603737A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Capacitor-adjusting apparatus
Assignee: RCA Corp
•
Filing: 1948-05-22
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Granted: 1952-07-15
•
Expires: 1968-05-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles A Erdman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 04:54
CPC Classifications
H; H01; H01G; H01G4/00; H01G4/002; H01G4/255; G; G01; G01R; G01R31/00; G01R31/01; G01R31/013; G01R31/016; Y; Y10; Y10T; Y10T29/00; Y10T29/43; Y10T29/435; Y10T29/49; Y10T29/49002; Y10T29/49004
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
GB262272A
Cited
US1824341A
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US1939883A
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GB440948A
Cited
US2248057A
Cited
US2291445A
Cited
US2253026A
Cited
US2435441A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-07-15 | 1956-01-14 | 1956-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-15 | 1960-01-14 | 1960-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-15 | 1964-01-14 | 1964-07-15 | $7700.00 | Window Closed / Lapsed |