Patent US3176300A successfully refreshed from Google Patents.
US3176300A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Adjustable slotted wave guide radiator with coupling element
Assignee: Avco Corp
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Filing: 1964-01-24
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Granted: 1965-03-30
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Expires: 1984-01-24
Abstract
No abstract record available.
Inventors
- 👤 John A Kuecken
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 18:50
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/10; H01Q13/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
THE COMBINATION OF A RECTANGULAR WAVE GUIDE OPERATING IN A TE MODE AND FORMED WITH A NORMALLY SUBSTANTIALLY NON-RADIATING SLOT EXTENDING PARALLEL TO THE ELECTRICAL FIELD AND ACROSS THE SHORT SIDE OF THE GUIDE, AND A HAIRPINSHAPED SUBSTANTIALLY INDUCTIVE COUPLING ELEMENT MECHANICALLY POSITIONED IN THE GUIDE OBLIQUELY WITH RESPECT TO THE MAGNETIC FIELD BEHIND THE SLOT TO BRIDGE THE SLOT AND TO PROVIDE A LOOP LINKED BY THE MAGNETIC FIELD, SAID COUPLING ELEMENT BEING FORMED WITH FEET AND SAID GUIDE HAVING
Claim 2
Dependent Claim
81 words
THE COMBINATION OF A RECTANGULAR WAVE GUIDE OPERATING IN A TE MODE AND FORMED WITH A NORMALLY SUBSTANTIALLY NON-RADIATING SLOT EXTENDING PARALLEL TO THE ELECTRICAL FIELD AND ACROSS THE SHORT SIDE OF THE GUIDE, AND A HAIRPINSHAPED SUBSTANTIALLY INDUCTIVE COUPLING ELEMENT MECHANICALLY POSITIONED IN THE GUIDE OBLIQUELY WITH RESPECT TO THE MAGNETIC FIELD BEHIND THE SLOT TO BRIDGE THE SLOT AND TO PROVIDE A LOOP LINKED BY THE MAGNETIC FIELD, SAID COUPLING ELEMENT BEING FORMED WITH FEET AND SAID GUIDE HAVING
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) | 1968-03-29 | 1968-09-28 | 1969-03-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-29 | 1972-09-28 | 1973-03-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-29 | 1976-09-28 | 1977-03-30 | $7700.00 | Window Closed / Lapsed |