Patent US5301209A successfully refreshed from Google Patents.
Patent US3089141A successfully refreshed from Google Patents.
US3089141A
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Antenna tuned by bending end portions
Assignee: Richard Hirschmann Radiotechnisches Werk
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Filing: 1955-06-10
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Granted: 1963-05-07
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Expires: 1975-06-10
Abstract
No abstract record available.
Inventors
- 👤 Helmut Odenwald
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:23
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/16; H01Q9/26
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A TUNABLE AERIAL FOR OUTDOOR USE, COMPRISING AT LEAST ONE ROD-LIKE ELEMENT CONSISTING OF A NON-ELASTIC INTERMEDIATE PORTION AND BENDABLE SECTIONS AT THE EXTREME FREE ENDS OF SAID INTERMEDIATE PORTION, HAVING A LENGTH WHICH IS ONLY A SMALL FRACTION OF THE LENGTH OF SAID INTERMEDIATE PORTION AND SERVING AS MEANS FOR REVERSIBLE TUNING OF THE AERIAL WITHIN PREDETERMINED LIMITS OF FREQUENCY, SAID BENDABLE SECTIONS AT LEAST AT THEIR PORTIONS IN THE NEIGHBORHOOD OF THE SAID NON-ELASTIC INTERMEDIATE PORTION OFFERING LESS RESISTANCE TO BENDING THAN THE SAID NON-ELASTIC INTERMEDIATE PORTION, SO THAT SAID BENDABLE SECTIONS CAN BE BENT EASILY BACKWARD AND FORWARD THROUGH AN ANGLE UP TO 180* SEVERAL TIMES WITHOUT BREAKING OFF AND WILL REMAIN IN ANY BENT POSITION.
Claim 2
Dependent Claim
119 words
A TUNABLE AERIAL FOR OUTDOOR USE, COMPRISING AT LEAST ONE ROD-LIKE ELEMENT CONSISTING OF A NON-ELASTIC INTERMEDIATE PORTION AND BENDABLE SECTIONS AT THE EXTREME FREE ENDS OF SAID INTERMEDIATE PORTION, HAVING A LENGTH WHICH IS ONLY A SMALL FRACTION OF THE LENGTH OF SAID INTERMEDIATE PORTION AND SERVING AS MEANS FOR REVERSIBLE TUNING OF THE AERIAL WITHIN PREDETERMINED LIMITS OF FREQUENCY, SAID BENDABLE SECTIONS AT LEAST AT THEIR PORTIONS IN THE NEIGHBORHOOD OF THE SAID NON-ELASTIC INTERMEDIATE PORTION OFFERING LESS RESISTANCE TO BENDING THAN THE SAID NON-ELASTIC INTERMEDIATE PORTION, SO THAT SAID BENDABLE SECTIONS CAN BE BENT EASILY BACKWARD AND FORWARD THROUGH AN ANGLE UP TO 180* SEVERAL TIMES WITHOUT BREAKING OFF AND WILL REMAIN IN ANY BENT POSITION.
References Cited (Backward Citations)
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US2192187A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-05-06 | 1966-11-05 | 1967-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-06 | 1970-11-05 | 1971-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-06 | 1974-11-05 | 1975-05-07 | $7700.00 | Window Closed / Lapsed |