US3235441A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radome and method of making same
Assignee: Lockheed Martin Corp
•
Filing: 1956-08-22
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Granted: 1966-02-15
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Expires: 1976-08-22
Abstract
No abstract record available.
Inventors
- 👤 Jr Melvin F George
- 👤 Edward H Burkart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:40
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/42; H01Q1/422; H01Q1/424; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1355; Y10T428/1359; Y10T428/24; Y10T428/24149; Y10T428/24157; Y10T428/249921; Y10T428/249994; Y10T428/31504; Y10T428/31855; Y10T428/3188; Y10T428/31884; Y10T428/31891
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
A HIGH DIELECTRIC CONSTANT RADOME THROUGH WHICH ELECTROMAGNETIC ENERGY MAY BE EFFICIENTLY PROPAGATED COMPRISING A MASS OF LOW DIELECTRIC PELLETS HAVING AN AVERAGE DIAMETER LESS THAN .125 INCH, A METAL COAT SURROUNDING EACH SAID PELLET, AND BONDING MEANS SECURING SAID PELLETS TO SAID METAL COATING AND TO EACH OTHER FORMING A UNITARY STRUCTURE.
Claim 2
Dependent Claim
53 words
A HIGH DIELECTRIC CONSTANT RADOME THROUGH WHICH ELECTROMAGNETIC ENERGY MAY BE EFFICIENTLY PROPAGATED COMPRISING A MASS OF LOW DIELECTRIC PELLETS HAVING AN AVERAGE DIAMETER LESS THAN .125 INCH, A METAL COAT SURROUNDING EACH SAID PELLET, AND BONDING MEANS SECURING SAID PELLETS TO SAID METAL COATING AND TO EACH OTHER FORMING A UNITARY STRUCTURE.
References Cited (Backward Citations)
US948541A
Cited
US2171438A
Cited
US2639252A
Cited
US2744042A
Cited
US2766800A
Cited
FR1082131A
Cited
US2806509A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-14 | 1969-08-16 | 1970-02-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-14 | 1973-08-16 | 1974-02-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-14 | 1977-08-16 | 1978-02-15 | $7700.00 | Window Closed / Lapsed |