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US2656523A
Expired / Lapsed
US
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Telemetering system
Assignee: NORTHROP AIRCARFT Inc
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Filing: 1951-01-11
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Granted: 1953-10-20
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Expires: 1971-01-11
Abstract
No abstract record available.
Inventors
- 👤 Waldo G Hodson
- 👤 Walter E Peterson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 02:46
CPC Classifications
G; G08; G08C; G08C15/00; G08C15/02; G08C15/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2237522A
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US2333321A
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US2407308A
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US2489253A
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US2498306A
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US2534841A
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US2555356A
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US2546307A
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US2496148A
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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) | 1956-10-19 | 1957-04-20 | 1957-10-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-19 | 1961-04-20 | 1961-10-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-19 | 1965-04-20 | 1965-10-20 | $7700.00 | Window Closed / Lapsed |