US2816232A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Germanium far infra-red detector
Assignee: Individual
•
Filing: 1953-07-09
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Granted: 1957-12-10
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Expires: 1973-07-09
Abstract
No abstract record available.
Inventors
- 👤 Burstein Elias
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:17
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/10; G01J5/28; F; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C3/085; H; H10; H10P; H10P95/00; Y; Y10; Y10S; Y10S62/00; Y10S62/19
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
IN A DEVINE FOR THE DETECTION OF LONG WAVELEGTH INFRA-RED RADIATION, THE COMBUNATION COMPRISING A SPECIMEN OF GERMANIUM HAVING AN IMPURITY BETWEEN 1013 AND 1018 ATOMS OF ZINC PER CUBIC CENTIMERER, MEANS FOR SUBJECTING SAID SPECIMEN TO INFRA-RED RADIATION, MEANS FOR SUBMAINTAINING SAID SPECIMEN AT A TEMPERATURE SUBSTANTIALLY EQUAL TO ABSOLUTE ZERO AND MEANS FOR DETERMING THE ENERGY LEVEL OF SAID SPECIMEN.
Claim 2
Dependent Claim
62 words
IN A DEVINE FOR THE DETECTION OF LONG WAVELEGTH INFRA-RED RADIATION, THE COMBUNATION COMPRISING A SPECIMEN OF GERMANIUM HAVING AN IMPURITY BETWEEN 1013 AND 1018 ATOMS OF ZINC PER CUBIC CENTIMERER, MEANS FOR SUBJECTING SAID SPECIMEN TO INFRA-RED RADIATION, MEANS FOR SUBMAINTAINING SAID SPECIMEN AT A TEMPERATURE SUBSTANTIALLY EQUAL TO ABSOLUTE ZERO AND MEANS FOR DETERMING THE ENERGY LEVEL OF SAID SPECIMEN.
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) | 1960-12-09 | 1961-06-10 | 1961-12-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-12-09 | 1965-06-10 | 1965-12-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-12-09 | 1969-06-10 | 1969-12-10 | $7700.00 | Window Closed / Lapsed |