US3231894A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zigzag antenna
Assignee: Sony Corp
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Filing: 1961-06-21
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Granted: 1966-01-25
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Expires: 1981-06-21
Abstract
No abstract record available.
Inventors
- 👤 Nagai Kiyoshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:36
CPC Classifications
H; H01; H01Q; H01Q11/00; H01Q11/02; H01Q11/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
AN ANTENNA STRUCTURE DESIGNED TO OPERATE OVER A GIVEN RANGE OF FREQUENCIES COMPRISING A BASE PLATE HAVING FIRST AND SECOND SURFACES ON OPPOSITE SIDES OF SAID BASE PLATE, FIRST AND SECOND ANTENNA ELEMENTS FASTENED TO SAID FIRST SIDE OF SAID BASE PLATE AND THIRD AND FOURTH ANTENNA ELEMENTS FASTENED TO SAID SECOND SIDE OF SAID BASE PLATE, EACH OF SAID FIRST AND SECOND ANTENNA ELEMENTS HAVING AN INPUT END AT SUBSTANTIALLY THE CENTER OF SAID FIRST SIDE AND BEING FOLDED IN ZIGZAG FASHION IN THE DIRECTION OF OPPOSITE ENDS OF SAID BASE PLATE, SAID THIRD AND FOURTH
Claim 2
Dependent Claim
97 words
AN ANTENNA STRUCTURE DESIGNED TO OPERATE OVER A GIVEN RANGE OF FREQUENCIES COMPRISING A BASE PLATE HAVING FIRST AND SECOND SURFACES ON OPPOSITE SIDES OF SAID BASE PLATE, FIRST AND SECOND ANTENNA ELEMENTS FASTENED TO SAID FIRST SIDE OF SAID BASE PLATE AND THIRD AND FOURTH ANTENNA ELEMENTS FASTENED TO SAID SECOND SIDE OF SAID BASE PLATE, EACH OF SAID FIRST AND SECOND ANTENNA ELEMENTS HAVING AN INPUT END AT SUBSTANTIALLY THE CENTER OF SAID FIRST SIDE AND BEING FOLDED IN ZIGZAG FASHION IN THE DIRECTION OF OPPOSITE ENDS OF SAID BASE PLATE, SAID THIRD AND FOURTH
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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) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |