US2432214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrical wave analyzer
Assignee: RCA Corp
•
Filing: 1943-09-25
•
Granted: 1947-12-09
•
Expires: 1963-09-25
Abstract
No abstract record available.
Inventors
- 👤 Carl G Sontheimer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 19:05
CPC Classifications
G; G01; G01R; G01R27/00; G01R27/28; G01R27/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1527228A
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US1695047A
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US1596942A
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US1762160A
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US1645618A
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US1684403A
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US1854432A
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US1755244A
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US2093512A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-08 | 1951-06-09 | 1951-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-08 | 1955-06-09 | 1955-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-08 | 1959-06-09 | 1959-12-09 | $7700.00 | Window Closed / Lapsed |