Patent US2184537A successfully refreshed from Google Patents.
Patent US3324299A successfully refreshed from Google Patents.
US3324299A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photo-electric cell comprising a pressed and sintered photosensitive body
Assignee: —
•
Filing: —
•
Granted: 1967-06-06
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Expires: 1984-06-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:22
CPC Classifications
—
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A PHOTO-ELECTRIC CELL COMPRISING A PRESSED AND SINTERED PHOTOSENSITIVE BODY OF CADMIUM SULPHIDE POWDER CONTAINING SUBSTANTIALLY BALANCED CONCENTRATIONS OF ACTIVATORS AND CO-ACTIVATORS AND IN ADDITION A CONCENTRATION OF AT LEAST 10-5 ATOMS PER MOLECULE CDS OF AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF LEAD, STRONTIUM, CALCIUM, BARIUM, MAGNESIUM, AND POTASSIUM, AND SPACED ELECTRODES ON THE PHOTOSENSITIVE BODY, WHEREBY
Claim 2
Dependent Claim
61 words
A PHOTO-ELECTRIC CELL COMPRISING A PRESSED AND SINTERED PHOTOSENSITIVE BODY OF CADMIUM SULPHIDE POWDER CONTAINING SUBSTANTIALLY BALANCED CONCENTRATIONS OF ACTIVATORS AND CO-ACTIVATORS AND IN ADDITION A CONCENTRATION OF AT LEAST 10-5 ATOMS PER MOLECULE CDS OF AT LEAST ONE ELEMENT SELECTED FROM THE GROUP CONSISTING OF LEAD, STRONTIUM, CALCIUM, BARIUM, MAGNESIUM, AND POTASSIUM, AND SPACED ELECTRODES ON THE PHOTOSENSITIVE BODY, WHEREBY
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) | 1970-06-05 | 1970-12-05 | 1971-06-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-06-05 | 1974-12-05 | 1975-06-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-06-05 | 1978-12-05 | 1979-06-06 | $7700.00 | Window Closed / Lapsed |