Patent FR1111504A successfully refreshed from Google Patents.
US3136993A
Expired / Lapsed
US
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Antenna array and simultaneous lobing tracking system
Assignee: Individual
•
Filing: 1959-12-10
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Granted: 1964-06-09
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Expires: 1979-12-10
Abstract
No abstract record available.
Inventors
- 👤 Goldbohm Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:37
CPC Classifications
H; H01; H01Q; H01Q25/00; H01Q25/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
67 words
AN ANTENNA ARRAY COMPRISING AT LEAST ONE CENTERFED LINEAR ARRAY, THE HALVES OF WHICH ARE CONNECTED TO A PAIR OF SIGNAL HANDLING MEANS THROUGH TWO HYBRID JUNCTIONS, IN SUCH A WAY, THAT SIGNALS CORRESPONDING TO THE EVEN PATTERN OF THE LINEAR ARRAY REACH THE SIGNAL HANDLING MEANS IN PHASE, WHILE SIGNALS CORRESPONDING TO THE ODD PATTERN OF THE LINEAR ARRAY REACH THE SIGNAL HANDLING MEANS IN COUNTERPHASE.
Claim 2
Dependent Claim
67 words
AN ANTENNA ARRAY COMPRISING AT LEAST ONE CENTERFED LINEAR ARRAY, THE HALVES OF WHICH ARE CONNECTED TO A PAIR OF SIGNAL HANDLING MEANS THROUGH TWO HYBRID JUNCTIONS, IN SUCH A WAY, THAT SIGNALS CORRESPONDING TO THE EVEN PATTERN OF THE LINEAR ARRAY REACH THE SIGNAL HANDLING MEANS IN PHASE, WHILE SIGNALS CORRESPONDING TO THE ODD PATTERN OF THE LINEAR ARRAY REACH THE SIGNAL HANDLING MEANS IN COUNTERPHASE.
References Cited (Backward Citations)
US2825057A
Cited
US2981948A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-09 | 1967-12-09 | 1968-06-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-09 | 1971-12-09 | 1972-06-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-09 | 1975-12-09 | 1976-06-09 | $7700.00 | Window Closed / Lapsed |