US3363253A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-beam resonant planar slot array antenna
Assignee: Teledyne Ryan Aeronautical Corp
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Filing: 1965-01-18
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Granted: 1968-01-09
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Expires: 1985-01-18
Abstract
No abstract record available.
Inventors
- 👤 Adam E Ratkevich
- 👤 Ronald L Naylor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:48
CPC Classifications
H; H01; H01Q; H01Q25/00; H01Q25/004; H01Q21/00; H01Q21/0006; H01Q21/0037; H01Q21/0043; H01Q21/005; G; G01; G01S; G01S13/00; G01S13/02; G01S13/50; G01S13/58; G01S13/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
59 words
A MULTIPLE BEAM PLANAR SLOT ARRAY ANTENNA, COMPRISING: AN ELONGATED WAVEGUIDE FEEDER ELEMENT HAVING A MICROWAVE INPUT; A PLURALITY OF WAVEGUIDE RADIATING ELEMENTS FIXED TO AND SPACED ALONG SAID FEEDER ELEMENT, SAID RADIATING ELEMENTS BEING NORMAL TO AND EXTENDING ON OPPOSITE SIDES OF SAID FEEDER ELEMENT; SAID FEEDER ELEMENT HAVING A SLOT COMMUNICATING WITH EACH OF SAID RADIATING ELEMENTS;
Claim 2
Dependent Claim
59 words
A MULTIPLE BEAM PLANAR SLOT ARRAY ANTENNA, COMPRISING: AN ELONGATED WAVEGUIDE FEEDER ELEMENT HAVING A MICROWAVE INPUT; A PLURALITY OF WAVEGUIDE RADIATING ELEMENTS FIXED TO AND SPACED ALONG SAID FEEDER ELEMENT, SAID RADIATING ELEMENTS BEING NORMAL TO AND EXTENDING ON OPPOSITE SIDES OF SAID FEEDER ELEMENT; SAID FEEDER ELEMENT HAVING A SLOT COMMUNICATING WITH EACH OF SAID RADIATING ELEMENTS;
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) | 1971-01-08 | 1971-07-10 | 1972-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-01-08 | 1975-07-10 | 1976-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-01-08 | 1979-07-10 | 1980-01-09 | $7700.00 | Window Closed / Lapsed |