Patent US3103618A successfully refreshed from Google Patents.
Patent US3287728A successfully refreshed from Google Patents.
US3287728A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Zoned radiant energy reflector and antenna having a glory ray and axial ray in phase at the focal point
Assignee: Individual
•
Filing: 1963-05-07
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Granted: 1966-11-22
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Expires: 1983-05-07
Abstract
No abstract record available.
Inventors
- 👤 Atlas David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:34
CPC Classifications
H; H01; H01Q; H01Q15/00; H01Q15/23
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
93 words
A RADIANT ENERGY FOCUSING DEVICE COMPRISING A CURVED OBJECT HAVING AN AXIS OF REVOLUTION AND A CONSTANT REFRACTIVE INDEX OF A VALUE WHICH PERMITS THE EXISTENCE OF A GLORY RAY, A CAP ON SAID OBJECT CORRESPONDING TO THE CURVATURE THEREOF AND HAVING A CONSTANT THICKNESS AND REFRACTIVE INDEX, SAID CAP BEING SO PLACED AND OF SUCH A SIZE THAT THE FOCAL POINT OF A GLORY RAY AND AN AXIAL RAY ON SAID AXIS OF REVOLUTION LIE ON THE SURFACE OF SAID OBJECT OPPOSITE THE POSITION OF SAID CAP AND IN AN IN-PHASE RELATIONSHIP.
Claim 2
Dependent Claim
93 words
A RADIANT ENERGY FOCUSING DEVICE COMPRISING A CURVED OBJECT HAVING AN AXIS OF REVOLUTION AND A CONSTANT REFRACTIVE INDEX OF A VALUE WHICH PERMITS THE EXISTENCE OF A GLORY RAY, A CAP ON SAID OBJECT CORRESPONDING TO THE CURVATURE THEREOF AND HAVING A CONSTANT THICKNESS AND REFRACTIVE INDEX, SAID CAP BEING SO PLACED AND OF SUCH A SIZE THAT THE FOCAL POINT OF A GLORY RAY AND AN AXIAL RAY ON SAID AXIS OF REVOLUTION LIE ON THE SURFACE OF SAID OBJECT OPPOSITE THE POSITION OF SAID CAP AND IN AN IN-PHASE RELATIONSHIP.
References Cited (Backward Citations)
US2273847A
Cited
US2407680A
Cited
GB609615A
Cited
US2547416A
Cited
US2576182A
Cited
US3145382A
Cited
US3116486A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-11-21 | 1970-05-23 | 1970-11-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-21 | 1974-05-23 | 1974-11-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-21 | 1978-05-23 | 1978-11-22 | $7700.00 | Window Closed / Lapsed |