Patent US3072796A successfully refreshed from Google Patents.
US3072796A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phot-electric cell
Assignee: US Philips Corp
•
Filing: 1960-03-22
•
Granted: 1963-01-08
•
Expires: 1980-03-22
Abstract
No abstract record available.
Inventors
- 👤 Eaton Geoffrey Kingston
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 14:00
CPC Classifications
H; H10; H10F; H10F30/00; H10F30/10; H10F99/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
A HIGH-SENSITIVITY PHOTOCELL COMPRISING PHOTOCONDUCTIVE INDIUM ANTIMONIDE SENSITIVE TO RADIATION OVER A GIVEN WAVELENGTH RANGE AND EXHIBITING A FATIGUE EFFECT WHEREIN ITS SENSTITIVITY IS GREATLY REDUCED UPON EXPOSURE TO RADIATION OF A WAVELENGTH SHORTER THAN ABOUT 0.7 MICRON BUT AND MEANS ENCLOSING SAID PHOTOCONDUCTIVE MEMBER AND OPAQUE TO WAVELENGTHS SHORTER THAN ABOUT 0.7 MICRON BUT INCLUDING A PORTION TRANSPARENT TO WAVELENGTHS GREATER THAN ABOUT 0.7 MICRON AND WITHIN THE SAID GIVEN RANGE AND ALLOWING INCIDENT RADIATION OF THE LATTER CHARACTER TO IMPINGE UPON THE INDIUM ANTIMONIDE, WHEREBY THE
Claim 2
Dependent Claim
88 words
A HIGH-SENSITIVITY PHOTOCELL COMPRISING PHOTOCONDUCTIVE INDIUM ANTIMONIDE SENSITIVE TO RADIATION OVER A GIVEN WAVELENGTH RANGE AND EXHIBITING A FATIGUE EFFECT WHEREIN ITS SENSTITIVITY IS GREATLY REDUCED UPON EXPOSURE TO RADIATION OF A WAVELENGTH SHORTER THAN ABOUT 0.7 MICRON BUT AND MEANS ENCLOSING SAID PHOTOCONDUCTIVE MEMBER AND OPAQUE TO WAVELENGTHS SHORTER THAN ABOUT 0.7 MICRON BUT INCLUDING A PORTION TRANSPARENT TO WAVELENGTHS GREATER THAN ABOUT 0.7 MICRON AND WITHIN THE SAID GIVEN RANGE AND ALLOWING INCIDENT RADIATION OF THE LATTER CHARACTER TO IMPINGE UPON THE INDIUM ANTIMONIDE, WHEREBY THE
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |