Patent US3234931A successfully refreshed from Google Patents.
US3234931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Solar energy absorber
Assignee: Motors Liquidation Co
•
Filing: 1963-02-20
•
Granted: 1966-02-15
•
Expires: 1983-02-20
Abstract
No abstract record available.
Inventors
- 👤 Ranald O Whitaker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 16:45
CPC Classifications
F; F24; F24S; F24S23/00; F24S23/30; F24S23/70; Y; Y02; Y02E; Y02E10/00; Y02E10/40
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
IN A SYSTEM FOR ABSORBING RADIANT ENERGY FROM A CONCENTRATOR WHICH FOCUSES RADIANT ENERGY UPON A FOCAL PLANE, AN ENERGY CONVERTER COMPRISING AN ENCLOSURE FOR RECEIVING AND ABSORBING THE RADIANT ENERGY AND HAVING A HIGHLY REFLECTIVE INSIDE UPPER SURFACES LYING IN THE FOCAL PLANE WITH A SMALL OPENING IN ITS CENTER AT THE FOCAL POINT, SAID OPENING PERMITTING THE PASSAGE OF THE FOCUSED RADIANT ENERGY FROM THE CONCENTRATOR INTO SAID ENCLOSURE, A LOWER, ABSORBER SURFACE PARALLEL TO THE FOCAL PLANE AND UPON WHICH THE RADIATION IMPINGES AND A HIGHLY REFLECTIVE CURVED WALL FORMING A SEGMENT OF A SPHERE WHOSE CENTER COINCIDES WITH THE CENTER OF SAID OPENING, SAID UPPER AND LOWER SURFACES FORMING UPPER AND LOWER BASES FOR SAID SEGMENT.
Claim 2
Dependent Claim
120 words
IN A SYSTEM FOR ABSORBING RADIANT ENERGY FROM A CONCENTRATOR WHICH FOCUSES RADIANT ENERGY UPON A FOCAL PLANE, AN ENERGY CONVERTER COMPRISING AN ENCLOSURE FOR RECEIVING AND ABSORBING THE RADIANT ENERGY AND HAVING A HIGHLY REFLECTIVE INSIDE UPPER SURFACES LYING IN THE FOCAL PLANE WITH A SMALL OPENING IN ITS CENTER AT THE FOCAL POINT, SAID OPENING PERMITTING THE PASSAGE OF THE FOCUSED RADIANT ENERGY FROM THE CONCENTRATOR INTO SAID ENCLOSURE, A LOWER, ABSORBER SURFACE PARALLEL TO THE FOCAL PLANE AND UPON WHICH THE RADIATION IMPINGES AND A HIGHLY REFLECTIVE CURVED WALL FORMING A SEGMENT OF A SPHERE WHOSE CENTER COINCIDES WITH THE CENTER OF SAID OPENING, SAID UPPER AND LOWER SURFACES FORMING UPPER AND LOWER BASES FOR SAID SEGMENT.
References Cited (Backward Citations)
GB146820A
Cited
US1661473A
Cited
US1599481A
Cited
US2552237A
Cited
US3029596A
Cited
US3085565A
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 |