US2953621A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photovoltaic apparatus
Assignee: RCA Corp
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Filing: 1959-01-12
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Granted: 1960-09-20
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Expires: 1979-01-12
Abstract
No abstract record available.
Inventors
- 👤 Melvin L Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:42
CPC Classifications
H; H10; H10F; H10F10/00; H10F10/10; H10F10/16; H10F99/00; H10P; H10P95/00; Y; Y02; Y02E; Y02E10/00; Y02E10/50
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
78 words
A DIRECTIONALLY SENSITIVE PHOTOVALTAIC CELL COMPRISING A SUPPORTING BASE OF ELECTRICALLY INSULATING, HEAT RESISTANT MATERIAL, SAID BASE HAVING A SURFACE PROVIDED WITH A FILM COMPRISING A MATERIAL FROM THE CLASS CONSISTING OF PBS AND PBSE, MIXED WITH ABOUT 10 TO ABOUT 30 WEIGHT PERCENT PBO, SAID FILM HAVING BEEN ACTIVATED BY HEATING SAID MIXTURE IN THE PRESENCE OF OXYGEN FOR FROM ABOUT 5 TO ABOUT 20 MINUTES AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 400* TO 475*C.
Claim 2
Dependent Claim
78 words
A DIRECTIONALLY SENSITIVE PHOTOVALTAIC CELL COMPRISING A SUPPORTING BASE OF ELECTRICALLY INSULATING, HEAT RESISTANT MATERIAL, SAID BASE HAVING A SURFACE PROVIDED WITH A FILM COMPRISING A MATERIAL FROM THE CLASS CONSISTING OF PBS AND PBSE, MIXED WITH ABOUT 10 TO ABOUT 30 WEIGHT PERCENT PBO, SAID FILM HAVING BEEN ACTIVATED BY HEATING SAID MIXTURE IN THE PRESENCE OF OXYGEN FOR FROM ABOUT 5 TO ABOUT 20 MINUTES AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 400* TO 475*C.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-20 | 1964-03-21 | 1964-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-20 | 1968-03-21 | 1968-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-20 | 1972-03-21 | 1972-09-20 | $7700.00 | Window Closed / Lapsed |