US3383693A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foldable planar base antenna structures
Assignee: EDWARD A ENRIQUEZ
•
Filing: 1965-08-20
•
Granted: 1968-05-14
•
Expires: 1985-08-20
Abstract
No abstract record available.
Inventors
- 👤 Ronald S Kahn
- 👤 Edward A Euriquez
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:25
CPC Classifications
H; H01; H01Q; H01Q19/00; H01Q19/02; H01Q19/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
A COLLAPSIBLE AND FOLDABLE COLINEAR ANTENNA STRUCTURE COMPRISING: A SCORED AND FOLDABLE BASE MEANS HAVING SLOTS THEREIN, SAID BASE MEANS BEING ARRANGED IN A V WITH THE SLOTS UPWARDLY DISPOSED AND OPPOSITE ONE ANOTHER ALONG THE LEGS OF THE V ON A LINE PERPENDICULAR WITH THE ALTITUDE OF THE V; AND
Claim 2
Dependent Claim
51 words
A COLLAPSIBLE AND FOLDABLE COLINEAR ANTENNA STRUCTURE COMPRISING: A SCORED AND FOLDABLE BASE MEANS HAVING SLOTS THEREIN, SAID BASE MEANS BEING ARRANGED IN A V WITH THE SLOTS UPWARDLY DISPOSED AND OPPOSITE ONE ANOTHER ALONG THE LEGS OF THE V ON A LINE PERPENDICULAR WITH THE ALTITUDE OF THE V; AND
References Cited (Backward Citations)
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US2128554A
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US2452822A
Cited
US2541870A
Cited
US2614220A
Cited
US3213457A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |