US3333103A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermograph exposure standard comprising a base of low infrared emissivity and a coating of high infrared emissivity
Assignee: Barnes Engineering Co
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Filing: 1964-07-14
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Granted: 1967-07-25
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Expires: 1984-07-14
Abstract
No abstract record available.
Inventors
- 👤 Barnes Robert Bowling
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:38
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/01; A61B5/015
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A TEST OBJECT FOR CALIBRATION OF INFRARED THERMOGRAPHS COMPRISING IN COMBINATION, (A) A TEST OBJECT OF NORMALLY LOW EMISSIVITY, WHOSE SURFACE OF ROUGH AND, THEREFORE, A DIFFUSE REFECTOR, THE OBJECT BEING OF THICK MATERIAL OF HIGH HEAT CONDUCTIVITY, THE THICKNESS BEING SO GREAT THAT THE OBJECT BEHAVES AS A HEAT SINK, AND (B) A POSITIVE IMAGE ON THE SURFACE OF THE TEST OBJECT IN A MATERIAL OF HIGH INFRARED EMISSIVITY, THE POSITIVE IMAGE BEING OF A STANDARD POSITIVE THERMOGRAM WHICH IS TO BE REPRODUCED ON TEST EXPOSURE.
Claim 2
Dependent Claim
87 words
A TEST OBJECT FOR CALIBRATION OF INFRARED THERMOGRAPHS COMPRISING IN COMBINATION, (A) A TEST OBJECT OF NORMALLY LOW EMISSIVITY, WHOSE SURFACE OF ROUGH AND, THEREFORE, A DIFFUSE REFECTOR, THE OBJECT BEING OF THICK MATERIAL OF HIGH HEAT CONDUCTIVITY, THE THICKNESS BEING SO GREAT THAT THE OBJECT BEHAVES AS A HEAT SINK, AND (B) A POSITIVE IMAGE ON THE SURFACE OF THE TEST OBJECT IN A MATERIAL OF HIGH INFRARED EMISSIVITY, THE POSITIVE IMAGE BEING OF A STANDARD POSITIVE THERMOGRAM WHICH IS TO BE REPRODUCED ON TEST EXPOSURE.
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) | 1970-07-24 | 1971-01-23 | 1971-07-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-24 | 1975-01-23 | 1975-07-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-24 | 1979-01-23 | 1979-07-25 | $7700.00 | Window Closed / Lapsed |