Patent US2869990A successfully refreshed from Google Patents.
US3204101A
Expired / Lapsed
US
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Infrared spectrometer for target detection and tracking
Assignee: Lockheed Martin Corp
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Filing: 1962-09-04
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Granted: 1965-08-31
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Expires: 1982-09-04
Abstract
No abstract record available.
Inventors
- 👤 Elvin S Brumfield
- 👤 Edgar W Kutzscher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 14:52
CPC Classifications
G; G01; G01S; G01S3/00; G01S3/78; G01S3/782; G01S3/783; G01S3/784; G01J; G01J3/00; G01J3/28; G01J3/2803; G01J5/00; G01J5/02; G01J5/06; G01J5/061; G01S3/785; G01S3/786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
AN INFRARED SPECTROMETER COMPRISING: COLLECTING OPTICS FOR RECEIVING RADIATION FROM AN EMISSIVE TARGET AND FOCUSING SAID RAYS INTO A BEAM, MONOCHROMATOR MEANS RESPONSIVE TO SAID BEAMS FOR DEPERSING THE INFRARED ENERGY IN SAID BEAM INTO A SPECTRUM, SAID MONOCHROMATOR MEANS COMPRISING FIRST AND SECOND MONOCHROMATORS, SAID FIRST MONOCHROMATOR BEING RESPONSIVE TO LONG WAVE LENGTHS AND SAID SECOND MONOCHROMATOR BEING RESPONSIVE TO SHORT WAVE LENGTHS FOR DISPERSING SAID BEAM INTO A PAIR OF
Claim 2
Dependent Claim
72 words
AN INFRARED SPECTROMETER COMPRISING: COLLECTING OPTICS FOR RECEIVING RADIATION FROM AN EMISSIVE TARGET AND FOCUSING SAID RAYS INTO A BEAM, MONOCHROMATOR MEANS RESPONSIVE TO SAID BEAMS FOR DEPERSING THE INFRARED ENERGY IN SAID BEAM INTO A SPECTRUM, SAID MONOCHROMATOR MEANS COMPRISING FIRST AND SECOND MONOCHROMATORS, SAID FIRST MONOCHROMATOR BEING RESPONSIVE TO LONG WAVE LENGTHS AND SAID SECOND MONOCHROMATOR BEING RESPONSIVE TO SHORT WAVE LENGTHS FOR DISPERSING SAID BEAM INTO A PAIR OF
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-08-30 | 1969-03-01 | 1969-08-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-30 | 1973-03-01 | 1973-08-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-30 | 1977-03-01 | 1977-08-31 | $7700.00 | Window Closed / Lapsed |