Patent US3175220A successfully refreshed from Google Patents.
US3175220A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Streamlined radome with ridged walls to compensate for boresight error
Assignee: Raytheon Co
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Filing: 1955-04-13
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Granted: 1965-03-23
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Expires: 1975-04-13
Abstract
No abstract record available.
Inventors
- 👤 Hector A Schetne
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:36
CPC Classifications
H; H01; H01Q; H01Q1/00; H01Q1/42; H01Q1/421
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A HOUSING FOR REDUCING ABERRATIONS AND BORESIGHT ERRORS OF A RADAR BEAM PASSING THROUGH THE HOUSING COMPRISING: A STREAMLINED DIELECTRIC RADOME FORMING SUBSTANTIALLY A SURFACE OF REVOLUTION ABOUT AN AXIS AND HAVING A RELATIVELY THIN WALL OF SUBSTANTIALLY UNIFORM THICKNESS, AND HAVING MORE THAN ONE AXIALLY RELATIVELY SHORT AXIALLY SYMMETRIC DIELECTRIC DISCONTINUITY SPACED IN DIFFERENT DISCRETE SELECTED REGIONS ALONG THE AXIS FOR REFRACTING SAID RADAR BEAM IN A MANNER TO SUBSTANTIALLY ELIMINATE THE BORESIGHT ERROR OTHERWISE CAUSED BY THE PASSAGE OF SAID RADAR BEAM THROUGH SAID RADOME.
Claim 2
Dependent Claim
87 words
A HOUSING FOR REDUCING ABERRATIONS AND BORESIGHT ERRORS OF A RADAR BEAM PASSING THROUGH THE HOUSING COMPRISING: A STREAMLINED DIELECTRIC RADOME FORMING SUBSTANTIALLY A SURFACE OF REVOLUTION ABOUT AN AXIS AND HAVING A RELATIVELY THIN WALL OF SUBSTANTIALLY UNIFORM THICKNESS, AND HAVING MORE THAN ONE AXIALLY RELATIVELY SHORT AXIALLY SYMMETRIC DIELECTRIC DISCONTINUITY SPACED IN DIFFERENT DISCRETE SELECTED REGIONS ALONG THE AXIS FOR REFRACTING SAID RADAR BEAM IN A MANNER TO SUBSTANTIALLY ELIMINATE THE BORESIGHT ERROR OTHERWISE CAUSED BY THE PASSAGE OF SAID RADAR BEAM THROUGH SAID RADOME.
References Cited (Backward Citations)
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US2674420A
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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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |