US3085565A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar energy device
Assignee: Sundstrand Corp
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Filing: 1961-03-10
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Granted: 1963-04-16
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Expires: 1981-03-10
Abstract
No abstract record available.
Inventors
- 👤 Bill T Macauley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:56
CPC Classifications
G; G02; G02B; G02B19/00; G02B19/0033; G02B19/0038; G02B19/0042; F; F24; F24S; F24S23/00; F24S23/70; F24S23/71; F24S23/79; G02B19/0004; G02B19/0019; G02B19/0023; G02B19/0076; G02B19/008; Y; Y02; Y02E; Y02E10/00; Y02E10/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A SOLAR ENERGY CONCENTRATING DEVICE COMPRISING A PRIMARY PARABOLIC MIRROR FOR FORMING AT ITS FOCAL PLANE A SOLAR SPOT OF DECREASING INTENSITY FROM THE CENTER TO THE EDGE OF SAID SPOT, A SECONDARY MIRROR LOCATED ON THE AXIS OF THE PRIMARY MIRROR AND ADJACENT BUT INWARDLY SPACED FROM THE FOCAL PLANE THEREOF, SAID SECONDARY MIRROR BEING PROVIDED WITH AN OPENING ADAPTED TO COMMUNICATE WITH A SOLAR FURNACE, SAID OPENING HAVING A DIAMETER LESS THAN THE DIAMETER OF SAID SOLAR SPOT, SAID SECONDARY MIRROR BEING PROVIDED WITH A FIRST REFLECTIVE SURFACE GENERALLY ELLIPSOIDAL IN CONFIGURATION AND IMMEDIATELY SURROUNDING THE OPENING, AND A SECOND REFLECTIVE SURFACE INTHE FORM OF A CONE DIVERGING FROM SAID FIRST SURFACE TOWARD SAID PRIMARY MIRROR WHEREBY TO DIRECT INTO SAID OPENING THE RAYS FORMING THE PORTION OF THE SOLAR SPOT SURROUNDING THE OPENING.
Claim 2
Dependent Claim
136 words
A SOLAR ENERGY CONCENTRATING DEVICE COMPRISING A PRIMARY PARABOLIC MIRROR FOR FORMING AT ITS FOCAL PLANE A SOLAR SPOT OF DECREASING INTENSITY FROM THE CENTER TO THE EDGE OF SAID SPOT, A SECONDARY MIRROR LOCATED ON THE AXIS OF THE PRIMARY MIRROR AND ADJACENT BUT INWARDLY SPACED FROM THE FOCAL PLANE THEREOF, SAID SECONDARY MIRROR BEING PROVIDED WITH AN OPENING ADAPTED TO COMMUNICATE WITH A SOLAR FURNACE, SAID OPENING HAVING A DIAMETER LESS THAN THE DIAMETER OF SAID SOLAR SPOT, SAID SECONDARY MIRROR BEING PROVIDED WITH A FIRST REFLECTIVE SURFACE GENERALLY ELLIPSOIDAL IN CONFIGURATION AND IMMEDIATELY SURROUNDING THE OPENING, AND A SECOND REFLECTIVE SURFACE INTHE FORM OF A CONE DIVERGING FROM SAID FIRST SURFACE TOWARD SAID PRIMARY MIRROR WHEREBY TO DIRECT INTO SAID OPENING THE RAYS FORMING THE PORTION OF THE SOLAR SPOT SURROUNDING THE OPENING.
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) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |