US2768265A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infrared detector cell
Assignee: Individual
•
Filing: 1954-04-19
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Granted: 1956-10-23
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Expires: 1974-04-19
Abstract
No abstract record available.
Inventors
- 👤 Jr James R Jenness
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 10:17
CPC Classifications
H; H10; H10F; H10F30/00; G; G01; G01J; G01J5/00; G01J5/10; G01J5/20; G01J5/22; G01J5/24; G05; G05D; G05D23/00; G05D23/19; G05D23/27; H01; H01J; H01J31/00; H01J31/08; H01J31/26; H01J31/28; H10P; H10P95/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
41 words
IN A PHOTOCONDUCTIVE CELL, IN COMBINATION, A SUPPORTING BASE OF DIELECTRIC MATERIAL, A COATING OF A PHOTOCONDUCTIVE MATERIAL ON ONE SIDE OF SAID BASE, AND A REFLECTION INDUCING SURFACE COATING OF DIELECTRIC MATERIAL TRANSPARENT TO INFRARED RADIATION ON SAID PHOTOCONDUCTIVE MATERIAL.
Claim 2
Dependent Claim
41 words
IN A PHOTOCONDUCTIVE CELL, IN COMBINATION, A SUPPORTING BASE OF DIELECTRIC MATERIAL, A COATING OF A PHOTOCONDUCTIVE MATERIAL ON ONE SIDE OF SAID BASE, AND A REFLECTION INDUCING SURFACE COATING OF DIELECTRIC MATERIAL TRANSPARENT TO INFRARED RADIATION ON SAID PHOTOCONDUCTIVE MATERIAL.
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) | 1959-10-23 | 1960-04-23 | 1960-10-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-23 | 1964-04-23 | 1964-10-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-23 | 1968-04-23 | 1968-10-23 | $7700.00 | Window Closed / Lapsed |