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US2494370A
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US
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Multichannel telemetering system with identical band-pass filters
Assignee: Curtiss Wright Corp
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Filing: 1945-02-08
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Granted: 1950-01-10
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Expires: 1965-02-08
Abstract
No abstract record available.
Inventors
- 👤 Karl D Swartzel
- 👤 Carl L Frederick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:14
CPC Classifications
G; G08; G08C; G08C15/00; G08C15/02; G08C15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1633100A
Cited
US1877467A
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US2008832A
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US2108088A
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US2389356A
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US2378395A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-01-09 | 1953-07-11 | 1954-01-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-01-09 | 1957-07-11 | 1958-01-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-01-09 | 1961-07-11 | 1962-01-10 | $7700.00 | Window Closed / Lapsed |