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US2766450A
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Apparatus for measuring the time relationship between recurrent radio frequency pulses
Assignee: Unisys Corp
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Filing: 1951-06-14
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Granted: 1956-10-09
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Expires: 1971-06-14
Abstract
No abstract record available.
Inventors
- 👤 Robert L Frank
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:14
CPC Classifications
G; G04; G04F; G04F10/00; G04F10/06; G01; G01S; G01S1/00; G01S1/02; G01S1/08; G01S1/20; G01S1/24; G01S1/245
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2578980A
Cited
US2497513A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-09 | 1960-04-09 | 1960-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-09 | 1964-04-09 | 1964-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-09 | 1968-04-09 | 1968-10-09 | $7700.00 | Window Closed / Lapsed |