Patent US3381371A successfully refreshed from Google Patents.
US3381371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of constructing lightweight antenna
Assignee: Lockheed Martin Corp
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Filing: 1965-09-27
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Granted: 1968-05-07
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Expires: 1985-09-27
Abstract
No abstract record available.
Inventors
- 👤 Earl D Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:18
CPC Classifications
H; H01; H01Q; H01Q9/00; H01Q9/04; H01Q9/16; H01Q9/26; H01Q9/27; H01P; H01P11/00; H01Q1/00; H01Q1/36; H01Q1/38; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49002; Y10T29/49016; Y10T29/49117; Y10T29/49124; Y10T29/49155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PROCESS FOR CONSTRUCTING AN ANTENNA HAVING A RADIATING ELEMENT, SAID PROCESS COMPRISING THE STEPS OF SECURING SAID RADIATING ELEMENT TO A DIELECTRIC BOARD, SECURING TO SAID DIELECTRIC BOARD A DIELECTRIC SUPPORT PROJECTING SUBSTANTIALLY TRANSVERSE TO THE PLANE THEREOF BY CASTING A DIELECTRIC FOAM IN A MOLD HAVING A CAVITY CLOSED BY SAID DIELECTRIC BOARD, AND FORMING A THIN CONDUCTOR ON SAID DIELECTRIC SUPPORT TO REFLECT ELECTROMAGNETIC SIGNALS RADIATED BY SAID ELEMENT.
Claim 2
Dependent Claim
72 words
A PROCESS FOR CONSTRUCTING AN ANTENNA HAVING A RADIATING ELEMENT, SAID PROCESS COMPRISING THE STEPS OF SECURING SAID RADIATING ELEMENT TO A DIELECTRIC BOARD, SECURING TO SAID DIELECTRIC BOARD A DIELECTRIC SUPPORT PROJECTING SUBSTANTIALLY TRANSVERSE TO THE PLANE THEREOF BY CASTING A DIELECTRIC FOAM IN A MOLD HAVING A CAVITY CLOSED BY SAID DIELECTRIC BOARD, AND FORMING A THIN CONDUCTOR ON SAID DIELECTRIC SUPPORT TO REFLECT ELECTROMAGNETIC SIGNALS RADIATED BY SAID ELEMENT.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-05-07 | 1971-11-06 | 1972-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-07 | 1975-11-06 | 1976-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-07 | 1979-11-06 | 1980-05-07 | $7700.00 | Window Closed / Lapsed |