Patent US3142837A successfully refreshed from Google Patents.
US3142837A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Telemetry system
Assignee: International Business Machines Corp
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Filing: 1962-05-14
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Granted: 1964-07-28
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Expires: 1982-05-14
Abstract
No abstract record available.
Inventors
- 👤 Charles M Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 12:39
CPC Classifications
G; G01; G01S; G01S13/00; G01S13/74; G01S13/75; G01S13/751; G01S13/756
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
AN ELECTROMAGNETIC MODULATOR-REFLECTOR, COMPRISING: A PLURALITY OF PAIRS OF ANTENNAS, THE ANTENNAS OF EACH SAID PAIRS BEING SYMMETRICALLY DISPOSED BOUT A GEOMETRIC CENTER COMMON TO ALL SAID PAIRS; AN ELECTRICAL TRANSMISSION PATH CONNECTING THE ANTENNAS OF EACH OF SAID PAIRS, ALL SAID ELECTRICAL TRANSMISSION PATHS BEING SUBSTANTIALLY EQUAL IN ELECTRICAL LENGTH. AND A PLURALITY OF MODULATION MEANS, ONE IN EACH ELECTRICAL TRANSMISSION PATH, EACH SAID MODULATION MEANS BEING RANDOMLY PLACED BETWEEN ITS RESPECTIVE PAIR OF ANTENNAS.
Claim 2
Dependent Claim
76 words
AN ELECTROMAGNETIC MODULATOR-REFLECTOR, COMPRISING: A PLURALITY OF PAIRS OF ANTENNAS, THE ANTENNAS OF EACH SAID PAIRS BEING SYMMETRICALLY DISPOSED BOUT A GEOMETRIC CENTER COMMON TO ALL SAID PAIRS; AN ELECTRICAL TRANSMISSION PATH CONNECTING THE ANTENNAS OF EACH OF SAID PAIRS, ALL SAID ELECTRICAL TRANSMISSION PATHS BEING SUBSTANTIALLY EQUAL IN ELECTRICAL LENGTH. AND A PLURALITY OF MODULATION MEANS, ONE IN EACH ELECTRICAL TRANSMISSION PATH, EACH SAID MODULATION MEANS BEING RANDOMLY PLACED BETWEEN ITS RESPECTIVE PAIR OF ANTENNAS.
References Cited (Backward Citations)
US2462102A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-28 | 1968-01-27 | 1968-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-28 | 1972-01-27 | 1972-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-28 | 1976-01-27 | 1976-07-28 | $7700.00 | Window Closed / Lapsed |