Patent US3276027A successfully refreshed from Google Patents.
US3276027A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Logarithmic periodic antenna
Assignee: Granger Associates Inc
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Filing: 1962-08-07
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Granted: 1966-09-27
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Expires: 1982-08-07
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 03:42
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
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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) | 1969-09-26 | 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 |