US3266313A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiant energy measuring device and method
Assignee: Corning Glass Works
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Filing: 1962-02-07
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Granted: 1966-08-16
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Expires: 1982-02-07
Abstract
No abstract record available.
Inventors
- 👤 Ralph S Litterst
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:58
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/0022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
79 words
IN AN APPARATUS FOR MEASURING TEMPERATURE OF A BODY THROUGH ABOUT 360* THEREOF, A HOLLOW CYLINDER, THE INTERNAL OPENING IN A PLANE PERPENDICULAR TO THE LONGITUDINAL AXIS OF WHICH IS AN ELLIPSE, SAID CYLINDER HAVING A RADIANT ENERGY REFLECTIVE INTERNAL SURFACE, A TEMPERATURE SENSITIVE ELEMENT DISPOSED SUBSTANTIALLY PARALLEL TO SAID LONGITUDINAL AXIS THROUGH ONE FOCAL POINT OF SAID ELLIPSE, AND MEANS FOR MAINTAINING SAID BODY SUBSTANTIALLY PARALLEL TO SAID LONGITUDINAL AXIS THROUGH THE OTHER FOCAL POINT OF SAID ELLIPSE.
Claim 2
Dependent Claim
79 words
IN AN APPARATUS FOR MEASURING TEMPERATURE OF A BODY THROUGH ABOUT 360* THEREOF, A HOLLOW CYLINDER, THE INTERNAL OPENING IN A PLANE PERPENDICULAR TO THE LONGITUDINAL AXIS OF WHICH IS AN ELLIPSE, SAID CYLINDER HAVING A RADIANT ENERGY REFLECTIVE INTERNAL SURFACE, A TEMPERATURE SENSITIVE ELEMENT DISPOSED SUBSTANTIALLY PARALLEL TO SAID LONGITUDINAL AXIS THROUGH ONE FOCAL POINT OF SAID ELLIPSE, AND MEANS FOR MAINTAINING SAID BODY SUBSTANTIALLY PARALLEL TO SAID LONGITUDINAL AXIS THROUGH THE OTHER FOCAL POINT OF SAID ELLIPSE.
References Cited (Backward Citations)
US2690078A
Cited
US2737809A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |