US3081632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Direct-reading pyrometer microscope
Assignee: Servo Corp of America
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Filing: 1957-02-12
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Granted: 1963-03-19
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Expires: 1977-02-12
Abstract
No abstract record available.
Inventors
- 👤 Sabert N Howell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:31
CPC Classifications
G; G01; G01J; G01J5/00; G01J5/02; G01J5/08; G01J5/0803; G01J5/0805; G01J5/0806; G01J5/0813; G01J5/0831; G01J5/0859; G01J5/0893; G01J5/0896; G01J5/52; G01J5/53
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
IN COMBINATION, TWO INFRARED-TRANSMITTING LENS ELEMENTS OF EQUAL FOCAL LENGTH AND HAVING AXES CONVERGING TO A COMMON IMAGE POINT, INFRARED-RESPONSIVE MEANS AT SAID COMMON IMAGE POINT, THE OBJECT AND IMAGE DISTANCES OF SAID LENSES BEING EQUAL, A SOURCE OF KNOWN RADIATIONS AT THE OBJECT POINT FOR ONE LENS AND A SOURCE OF UNKNOWN RADIATIONS AT THE OBJECT POINT FOR THE OTHER LENS, MEANS TO EXPOSE SAID LENSES ALTERNATELY TO SAID INFRARED-RESPONSIVE MEANS, MEANS TO MEASURE THE TEMPERATURE OF SAID SOURCE OF KNOWN RADIATIONS, AND A VISUAL LIGHT PROJECTION SYSTEM OF FOCAL LENGTH EQUAL TO THOSE OF SAID LENSES AND INCLUDING A LIGHT SOURCE OF EFFECTIVE AREA SUBSTANTIALLY EQUAL TO THE EFFECTIVE AREA OF SAID INFRAREDRESPONSIVE MEANS TO FORCUS SAID LIGHT SOURCE IN REGISTER WITH SAID INFRARED-RESPONSIVE MEANS AS VIEWED AT SAID SOURCE OF UNKNOWN RADIATIONS, SAID LIGHT-PROJECTION SYSTEM BEING COAXIAL WITH SAID OTHER LENS FOR AT LEAST THAT PART THEREOF WHICH EXTENDS TO SAID SOURCE OF UNKNOWN RADIATIONS.
Claim 2
Dependent Claim
158 words
IN COMBINATION, TWO INFRARED-TRANSMITTING LENS ELEMENTS OF EQUAL FOCAL LENGTH AND HAVING AXES CONVERGING TO A COMMON IMAGE POINT, INFRARED-RESPONSIVE MEANS AT SAID COMMON IMAGE POINT, THE OBJECT AND IMAGE DISTANCES OF SAID LENSES BEING EQUAL, A SOURCE OF KNOWN RADIATIONS AT THE OBJECT POINT FOR ONE LENS AND A SOURCE OF UNKNOWN RADIATIONS AT THE OBJECT POINT FOR THE OTHER LENS, MEANS TO EXPOSE SAID LENSES ALTERNATELY TO SAID INFRARED-RESPONSIVE MEANS, MEANS TO MEASURE THE TEMPERATURE OF SAID SOURCE OF KNOWN RADIATIONS, AND A VISUAL LIGHT PROJECTION SYSTEM OF FOCAL LENGTH EQUAL TO THOSE OF SAID LENSES AND INCLUDING A LIGHT SOURCE OF EFFECTIVE AREA SUBSTANTIALLY EQUAL TO THE EFFECTIVE AREA OF SAID INFRAREDRESPONSIVE MEANS TO FORCUS SAID LIGHT SOURCE IN REGISTER WITH SAID INFRARED-RESPONSIVE MEANS AS VIEWED AT SAID SOURCE OF UNKNOWN RADIATIONS, SAID LIGHT-PROJECTION SYSTEM BEING COAXIAL WITH SAID OTHER LENS FOR AT LEAST THAT PART THEREOF WHICH EXTENDS TO SAID SOURCE OF UNKNOWN RADIATIONS.
References Cited (Backward Citations)
US1474903A
Cited
US1901192A
Cited
US1943521A
Cited
US2166824A
Cited
US2282045A
Cited
US2785860A
Cited
US2710559A
Cited
US2872173A
Cited
US2611541A
Cited
US2761072A
Cited
US2886970A
Cited
US2877555A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-03-18 | 1966-09-17 | 1967-03-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-03-18 | 1970-09-17 | 1971-03-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-03-18 | 1974-09-17 | 1975-03-19 | $7700.00 | Window Closed / Lapsed |