US3302207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Traveling wave strip line antenna
Assignee: Individual
•
Filing: 1964-02-28
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Granted: 1967-01-31
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Expires: 1984-02-28
Abstract
No abstract record available.
Inventors
- 👤 John G Hoffman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:21
CPC Classifications
H; H01; H01Q; H01Q13/00; H01Q13/20; H01Q13/22; H01Q13/206
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A TRAVELING-WAVE STRIP-LINE ANTENNA COMPRISING: (A) A SUBSTANTIALLY FLAT GUIDING WAVE STRUCTURE FOR FLUSH MOUNTING THEREOF, (B) AT LEAST ONE RADIATION SLOT IN SAID GUIDING STRUCTURE, (C) A ZIG-ZAG CENTER CONDUCTOR MOUNTED DIRECTLY BEHIND SAID SLOT FOR EXCITING THE SLOT, (D) THE NUMBER AND SPACING OF THE ZIG-ZAG''S OF SAID CENTER CONDUCTOR CONTROLLING THE ANTENNA LOOK ANGLE AND DIRECTION OF RADIATION.
Claim 2
Dependent Claim
61 words
A TRAVELING-WAVE STRIP-LINE ANTENNA COMPRISING: (A) A SUBSTANTIALLY FLAT GUIDING WAVE STRUCTURE FOR FLUSH MOUNTING THEREOF, (B) AT LEAST ONE RADIATION SLOT IN SAID GUIDING STRUCTURE, (C) A ZIG-ZAG CENTER CONDUCTOR MOUNTED DIRECTLY BEHIND SAID SLOT FOR EXCITING THE SLOT, (D) THE NUMBER AND SPACING OF THE ZIG-ZAG''S OF SAID CENTER CONDUCTOR CONTROLLING THE ANTENNA LOOK ANGLE AND DIRECTION OF RADIATION.
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) | 1970-01-30 | 1970-08-01 | 1971-01-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-30 | 1974-08-01 | 1975-01-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-30 | 1978-08-01 | 1979-01-31 | $7700.00 | Window Closed / Lapsed |