Patent US3264641A successfully refreshed from Google Patents.
US3264641A
Expired / Lapsed
US
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Square law transmitter-transponder system
Assignee: Unisys Corp
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Filing: 1963-10-07
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Granted: 1966-08-02
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Expires: 1983-10-07
Abstract
No abstract record available.
Inventors
- 👤 Palmer Winslow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 19:22
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/74; G01S13/82; G01S13/84; G01S13/02; G01S13/50; G01S13/58; G01S13/583
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
39 words
SIGNAL GENERATING MEANS COMPRISING A SOURCE OF CARRIER SIGNAL, A SOURCE OF AMPLITUDE MODULATING SIGNAL, MEANS COUPLED TO RECEIVE SAID MODULATING SIGNAL AND PRODUCING AN OUTPUT SIGNAL HAVING AN INSTANTANEOUS AMPLITUDE REPRESENTING THE SQUARE ROOT OF SAID MODULATING SIGNAL,
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-01 | 1970-01-31 | 1970-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-01 | 1974-01-31 | 1974-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-01 | 1978-01-31 | 1978-08-02 | $7700.00 | Window Closed / Lapsed |