US3268900A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Image loop antenna
Assignee: Individual
•
Filing: 1964-08-31
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Granted: 1966-08-23
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Expires: 1984-08-31
Abstract
No abstract record available.
Inventors
- 👤 Langine R Waszkiewicz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:06
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/04; H01Q7/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
A MULTIPLE TURN IMAGE LOOP ANTENNA CAPABLE OF USE AT LOW FREQUENCIES WITH LONG WAVELENGHTS COMPRISING A SERIES OF TURNS OF WIRE FORMING A RECTANGULAR SHAPED LOOP, THE LENGTH OF SAID LOOP BEING SMALL WITH RESPECT TO A HALFWAVELENGTH, A GROUND PLANE, OUTER COAXIAL CONDUCTORS BONDED TO SAID GROUND PLANE, EACH OF SAID OUTER COAXIAL CONDUCTORS BEING DISPOSED AROUND AND ALONG A SEPARATE ONE OF THE LONGER LEGS OF EACH RECTANGULAR TURN, INSULATING MEANS INSULATING SAID LEGS OF EACH RECTANGULAR TURN WITHIN SAID OUTER COAXIAL CONDUCTOR FROM SAID CONDUCTOR, AND MEANS FOR SUPPORTING SAID LOOP SUCH THAT THE SHORTER LEGS OF SAID TURNS ARE PERPENDICULARLY DISPOSED WITH RESPECT TO SAID GROUND PLANE.
Claim 2
Dependent Claim
112 words
A MULTIPLE TURN IMAGE LOOP ANTENNA CAPABLE OF USE AT LOW FREQUENCIES WITH LONG WAVELENGHTS COMPRISING A SERIES OF TURNS OF WIRE FORMING A RECTANGULAR SHAPED LOOP, THE LENGTH OF SAID LOOP BEING SMALL WITH RESPECT TO A HALFWAVELENGTH, A GROUND PLANE, OUTER COAXIAL CONDUCTORS BONDED TO SAID GROUND PLANE, EACH OF SAID OUTER COAXIAL CONDUCTORS BEING DISPOSED AROUND AND ALONG A SEPARATE ONE OF THE LONGER LEGS OF EACH RECTANGULAR TURN, INSULATING MEANS INSULATING SAID LEGS OF EACH RECTANGULAR TURN WITHIN SAID OUTER COAXIAL CONDUCTOR FROM SAID CONDUCTOR, AND MEANS FOR SUPPORTING SAID LOOP SUCH THAT THE SHORTER LEGS OF SAID TURNS ARE PERPENDICULARLY DISPOSED WITH RESPECT TO SAID GROUND PLANE.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |