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US3276027A Expired / Lapsed US ⏱️ 0.0 years remaining

Logarithmic periodic antenna

Assignee: Granger Associates Inc
•
Filing: 1962-08-07
•
Granted: 1966-09-27
•
Expires: 1982-08-07
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Abstract

No abstract record available.

Inventors

  • 👤 Ross L Bell
  • 👤 William L Werner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 00:28
CPC Classifications
H; H01; H01Q; H01Q11/00; H01Q11/02; H01Q11/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 135 words
A DIRECTIONAL LOGARITHMIC PERIODIC ANTENNA HAVING AN APEX AJDACENT THE GROUND AND COMPRISING A SERIES OF MUTUALLY SPACED TRIANGULAR HOLLOW TOOTH STRUCTURES LYING IN A COMMON VERTICAL PLANE AND DISPOSED AT PROGRESSIVELY GREATER DISCTANCES FROM SAID ANTENNA APEX, A CATENARY CABLE FOR SUPPORTING THE UPPER ENDS OF SAID TOOTH STRUCTURES, EACH OF SAID TOOTH STRUCTURES COMPRISING A PAIR OF OPPOSITELY INCLINED RODS FORMING AN APEX AT THEIR UPPER ENDS SUPPORTED FROM SAID CATENARY, THE DIMENSIONS OF THE TOOTH STRUCTURES PROGRESSIVELY INCREASING WITH DISTANCE FROM THE ANTENNA APEX, A FEED LINE EXTENDING ALONGSIDE SAID TOOTH STRUCTURES FROM SAID ANTENNA APEX, THE HEIGHT OF SAID FEED LINE ABOVE GROUND PROGRESSIVELY INCREASING TOWARD THE REAR OF SAID ANTENNA, DISTRIBUTIVE CAPACITY MEMBERS SUCCESSIVELY DISPOSED ALONGSIDE SAID FEED LINE, EACH OF SAID CAPACITY MEMBERS COMPRISING A CONDUCTOR HAVING ITS ENDS
Claim 2
Dependent Claim 135 words
A DIRECTIONAL LOGARITHMIC PERIODIC ANTENNA HAVING AN APEX AJDACENT THE GROUND AND COMPRISING A SERIES OF MUTUALLY SPACED TRIANGULAR HOLLOW TOOTH STRUCTURES LYING IN A COMMON VERTICAL PLANE AND DISPOSED AT PROGRESSIVELY GREATER DISCTANCES FROM SAID ANTENNA APEX, A CATENARY CABLE FOR SUPPORTING THE UPPER ENDS OF SAID TOOTH STRUCTURES, EACH OF SAID TOOTH STRUCTURES COMPRISING A PAIR OF OPPOSITELY INCLINED RODS FORMING AN APEX AT THEIR UPPER ENDS SUPPORTED FROM SAID CATENARY, THE DIMENSIONS OF THE TOOTH STRUCTURES PROGRESSIVELY INCREASING WITH DISTANCE FROM THE ANTENNA APEX, A FEED LINE EXTENDING ALONGSIDE SAID TOOTH STRUCTURES FROM SAID ANTENNA APEX, THE HEIGHT OF SAID FEED LINE ABOVE GROUND PROGRESSIVELY INCREASING TOWARD THE REAR OF SAID ANTENNA, DISTRIBUTIVE CAPACITY MEMBERS SUCCESSIVELY DISPOSED ALONGSIDE SAID FEED LINE, EACH OF SAID CAPACITY MEMBERS COMPRISING A CONDUCTOR HAVING ITS ENDS

References Cited (Backward Citations)

US3123827A Cited
US3079602A Cited
US2989749A Cited
US3101474A Cited
US3165748A Cited
US3212094A Cited
US3179943A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-09-26 1970-03-28 1970-09-27 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-09-26 1974-03-28 1974-09-27 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-09-26 1978-03-28 1978-09-27 $7700.00 Window Closed / Lapsed

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