US2873303A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photovoltaic device
Assignee: US Philips Corp
•
Filing: 1954-11-01
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Granted: 1959-02-10
•
Expires: 1974-11-01
Abstract
No abstract record available.
Inventors
- 👤 Edmund S Rittner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:10
CPC Classifications
H; H10; H10F; H10F77/00; H10F77/10; H10F77/12; H10F77/124; H10F77/30; H10F77/306; H10F77/311; H10F77/315; Y; Y02; Y02E; Y02E10/00; Y02E10/50; Y02E10/544
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
AS A PHOTOVOLTAIC SOLAR ENERGY CONVERTER, A P-TYPE PORTION OF SEMI-CONDUCTIVE ALUMINUM ANTIMONIDE CONTAINING ABOUT 1012 ATOMS/CM.3 OF P-TYPE PRODUCING ELEMENTS AND AN N-TYPE PORTION OF SEMI-CONDUCTIVE ALUMINUM ANTIMONIDE CONTAININ ABOUT 1012ATOMS/CM.3 OF N-TYPE PRODUCING ELEMENTS IN INTIMATE CONTACT WITH ONE ANOTHER AND FORMING A P-N JUNCTION THEREBETWEEN AND
Claim 2
Dependent Claim
49 words
AS A PHOTOVOLTAIC SOLAR ENERGY CONVERTER, A P-TYPE PORTION OF SEMI-CONDUCTIVE ALUMINUM ANTIMONIDE CONTAINING ABOUT 1012 ATOMS/CM.3 OF P-TYPE PRODUCING ELEMENTS AND AN N-TYPE PORTION OF SEMI-CONDUCTIVE ALUMINUM ANTIMONIDE CONTAININ ABOUT 1012ATOMS/CM.3 OF N-TYPE PRODUCING ELEMENTS IN INTIMATE CONTACT WITH ONE ANOTHER AND FORMING A P-N JUNCTION THEREBETWEEN AND
References Cited (Backward Citations)
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Cited
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Cited
US2522987A
Cited
FR1057038A
Cited
US2644852A
Cited
US2669635A
Cited
US2780765A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-09 | 1962-08-11 | 1963-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-09 | 1966-08-11 | 1967-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-09 | 1970-08-11 | 1971-02-10 | $7700.00 | Window Closed / Lapsed |