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US3214760A Expired / Lapsed US ⏱️ 0.0 years remaining

Directional antenna with a two dimensional lens formed of flat resonant dipoles

Assignee: Textron Inc
•
Filing: 1960-04-28
•
Granted: 1965-10-26
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Expires: 1980-04-28
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Abstract

No abstract record available.

Inventors

  • 👤 Yonkers John

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 11:29
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/02

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 129 words
A PLANAR DIRECTIONAL SIGNAL LAUNCHER COMPRISING A PLURALITY OF LIKE DIPOLE RADIATORS DISPOSED IN A PLURALITY OF PARALLEL ROWS IN END-ON-END RELATIONSHIP IN EACH ROW, SAID ROWS LYING IN A SINGLE PLANE AND HAVING A PROGRESSIVELY INCREASING LENGTH FROM THE REAR OF THE LAUNCHER TO A MAXIMUM LAUNCHER WIDTH, THE RADIATORS OF EACH ROW BEING OFFSET WITH RESPECT TO THE RADIATORS OF ADJACENT ROWS TO ALINE THE RADIATORS OF EACH ROW UPON OPENINGS BETWEEN RADIATORS OF ADJACENT ROWS, THE RADIATORS OF EACH ROW AND THE ROWS OF RADIATORS BEING CLOSELY SPACED APART WHEREBY ENERGY FED INTO REAR OF THE LAUNCHER IS COUPLED LATERALLY AS WELL AS AXIALLY THERETHROUGH TO ENERGIZE ALL OF THE RADIATORS OF THE LAUNCHER AND THEREBY PROPAGATE SUCH ENERGY FROM AN ELONGATED WAVEFRONT FOR MAXIMIZED DIRECTIVITY.

References Cited (Backward Citations)

US2192532A Cited
DE903474C Cited
US2577619A Cited
US2579324A Cited
US2624003A Cited
US2538035A Cited
US2663797A Cited
CH332677A Cited
US2644091A Cited
US2929065A Cited
US2921312A Cited
US3096520A Cited
US3016536A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1968-10-25 1969-04-26 1969-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-10-25 1973-04-26 1973-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-10-25 1977-04-26 1977-10-26 $7700.00 Window Closed / Lapsed

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