US2644933A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multichannel telemetering apparatus
Assignee: RCA Corp
•
Filing: 1949-12-28
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Granted: 1953-07-07
•
Expires: 1969-12-28
Abstract
No abstract record available.
Inventors
- 👤 Robert H Peterson
- 👤 Herbert S Broadwell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:24
CPC Classifications
G; G08; G08C; G08C15/00; G08C15/06; G08C15/08; H; H04; H04J; H04J3/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2412350A
Cited
US2444950A
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US2485343A
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US2497411A
Cited
US2471138A
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US2468703A
Cited
US2525893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |