US2994790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Data phase-coding system using parallel pulse injection in binary divider chain
Assignee: Collins Radio Co
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Filing: 1958-02-19
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Granted: 1961-08-01
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Expires: 1978-02-19
Abstract
No abstract record available.
Inventors
- 👤 Frank J Delaney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:34
CPC Classifications
H; H04; H04L; H04L27/00; H04L27/18; H04L27/20; H04L27/2032; H04L27/2053; H04L27/206; H04L27/2067; H04L27/2075
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2521789A
Cited
US2770725A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-07-31 | 1965-01-30 | 1965-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-07-31 | 1969-01-30 | 1969-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-07-31 | 1973-01-30 | 1973-08-01 | $7700.00 | Window Closed / Lapsed |