US3255451A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Conical scanning rotatable dielectric wedge lens which is dynamically balanced
Assignee: Whittaker Corp
•
Filing: 1963-01-02
•
Granted: 1966-06-07
•
Expires: 1983-01-02
Abstract
No abstract record available.
Inventors
- 👤 Charles E Wolcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:32
CPC Classifications
H; H01; H01Q; H01Q3/00; H01Q3/12; H01Q3/14; H01Q3/26; H01Q3/30; H01Q3/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
105 words
A DIELECTRICAL WEDGE LENS, COMPRISING: A FIRST HEMISPHERICAL WEDGE OF DIELECTRIC MATERIAL, SAID FIRST WEDGE HAVING AN OUTER HEMISPHERICAL SURFACE AND AN INNER HEMISPHERICAL SURFACE; A SECOND HEMISPHERICAL WEDGE OF A DIELECTRIC MATERIAL HAVING A HIGHER DIELECTRIC CONSTANT THAN SAID FIRST WEDGE MATERIAL, SAID SECOND WEDGE HAVING AN OUTER HEMISPHERICAL SURFACE AND AN INNER HEMISPHERICAL SURFACE, THE INNER HEMISPHERICAL SURFACE OF SAID SECOND WEDGE HAVING THE SAME RADIUS AS THE OUTER HEMISPHERICAL SURFACE OF SAID FIRST WEDGE; SAID FIRST AND SECOND WEDGES BEING COMPOUNDED TOGETHER WITH SAID OUTER HEMISPHERICAL SURFACE OF SAID FIRST WEDGE BEING IN CONTACT WITH THE INNER SURFACE OF SAID SECOND WEDGE.
Claim 2
Dependent Claim
105 words
A DIELECTRICAL WEDGE LENS, COMPRISING: A FIRST HEMISPHERICAL WEDGE OF DIELECTRIC MATERIAL, SAID FIRST WEDGE HAVING AN OUTER HEMISPHERICAL SURFACE AND AN INNER HEMISPHERICAL SURFACE; A SECOND HEMISPHERICAL WEDGE OF A DIELECTRIC MATERIAL HAVING A HIGHER DIELECTRIC CONSTANT THAN SAID FIRST WEDGE MATERIAL, SAID SECOND WEDGE HAVING AN OUTER HEMISPHERICAL SURFACE AND AN INNER HEMISPHERICAL SURFACE, THE INNER HEMISPHERICAL SURFACE OF SAID SECOND WEDGE HAVING THE SAME RADIUS AS THE OUTER HEMISPHERICAL SURFACE OF SAID FIRST WEDGE; SAID FIRST AND SECOND WEDGES BEING COMPOUNDED TOGETHER WITH SAID OUTER HEMISPHERICAL SURFACE OF SAID FIRST WEDGE BEING IN CONTACT WITH THE INNER SURFACE OF SAID SECOND WEDGE.
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) | 1969-06-06 | 1969-12-06 | 1970-06-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-06-06 | 1973-12-06 | 1974-06-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-06-06 | 1977-12-06 | 1978-06-07 | $7700.00 | Window Closed / Lapsed |