Patent US2637845A successfully refreshed from Google Patents.
US2637845A
Expired / Lapsed
US
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Random signal generator
Assignee: Collins Radio Co
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Filing: 1951-09-12
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Granted: 1953-05-05
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Expires: 1971-09-12
Abstract
No abstract record available.
Inventors
- 👤 Robert L Craiglow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:12
CPC Classifications
H; H04; H04L; H04L9/00; H04L9/06; H04L9/065; H04L9/0656; H04L9/0662
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2406031A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-05-04 | 1956-11-03 | 1957-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-05-04 | 1960-11-03 | 1961-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-05-04 | 1964-11-03 | 1965-05-05 | $7700.00 | Window Closed / Lapsed |