Patent US2981777A successfully refreshed from Google Patents.
US2981777A
Expired / Lapsed
US
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Cadmium sulfide barrier layer cell
Assignee: Individual
•
Filing: 1958-02-25
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Granted: 1961-04-25
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Expires: 1978-02-25
Abstract
No abstract record available.
Inventors
- 👤 Donald C Reynolds
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:35
CPC Classifications
H; H10; H10F; H10F10/00; H10F10/10; H10F10/16; H10F99/00; H10F77/00; H10F77/10; H10F77/12; H10F77/123
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A CADMIUM SULFIDE BARRIER LAYER CELL CONVERTING SOLAR SPECTRUM ENERGY DIRECTLY INTO ELECTRICAL ENERGY COMPRISING A CADMIUM SULFIDE CRYSTAL OF AMPLE THICKNESS TO PROVIDE AN ELECTRON PERMEABLE BARRIER LAYER THEREWITHIN AND HAVING A POLISHED FIRST SIDE OF OPTIMUM DIRECT EXPOSURE FOR ENERGY RECEPTION FOR THE APPLICATION THERETO OF SOLAR SPECTRUM ENERGY AND HAVING A SECOND SIDE, A FIRST OHMIC CONTACT ATTACHED TO THE CADMIUM SULFIDE CRYSTAL POLISHED FIRST SIDE AND EXTENDING ALONG THE EDGE THEREOF, AND A SECOND OHMIC CONTACT ATTACHED TO THE CADMIUM SULFIDE CRYSTAL SECOND SIDE AND EXTENDING ALONG THE EDGE THEREOF.
Claim 2
Dependent Claim
94 words
A CADMIUM SULFIDE BARRIER LAYER CELL CONVERTING SOLAR SPECTRUM ENERGY DIRECTLY INTO ELECTRICAL ENERGY COMPRISING A CADMIUM SULFIDE CRYSTAL OF AMPLE THICKNESS TO PROVIDE AN ELECTRON PERMEABLE BARRIER LAYER THEREWITHIN AND HAVING A POLISHED FIRST SIDE OF OPTIMUM DIRECT EXPOSURE FOR ENERGY RECEPTION FOR THE APPLICATION THERETO OF SOLAR SPECTRUM ENERGY AND HAVING A SECOND SIDE, A FIRST OHMIC CONTACT ATTACHED TO THE CADMIUM SULFIDE CRYSTAL POLISHED FIRST SIDE AND EXTENDING ALONG THE EDGE THEREOF, AND A SECOND OHMIC CONTACT ATTACHED TO THE CADMIUM SULFIDE CRYSTAL SECOND SIDE AND EXTENDING ALONG THE EDGE THEREOF.
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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) | 1964-04-24 | 1964-10-24 | 1965-04-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-04-24 | 1968-10-24 | 1969-04-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-04-24 | 1972-10-24 | 1973-04-25 | $7700.00 | Window Closed / Lapsed |