US3306156A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for photometric analysis
Assignee: EIDP Inc
•
Filing: 1957-02-19
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Granted: 1967-02-28
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Expires: 1977-02-19
Abstract
No abstract record available.
Inventors
- 👤 Leo G Glasser
- 👤 Robert J Kanzler
- 👤 Daniel J Troy
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 10:08
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/31; G01N21/314
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
117 words
AN ANALYZER FOR THE PHOTOMETRIC ANALYSIS OF A SAMPLE ON THE BASIS OF RADIATION TRANSMITTED FROM SAID SAMPLE WHEREIN INTENSITIES OF THE SEVERAL WAVE LENGTHS IN SAID RADIATION ARE SINGLE-VALUED FUNCTIONS OF A FIRST VARIABLE AND A SECOND VARIABLE CHARACTERISTIC OF SAID SAMPLE COMPRISING IN COMBINATION BEAM-SPLITTING MEANS ADAPTED TO RECEIVE AND DIVIDE RADIATION FROM A SPECIFIC REGION OF SAID SAMPLE INTO TWO SEPARATE BEAMS, ONE OF WHICH BEAMS IS PASSED THROUGH A FIRST FILTER TO A FIRST RADIATION DETECTOR AND THE OTHER OF WHICH BEAMS IS PASSED THROUGH A SECOND FILTER TO A SECOND RADIATION DETECTOR, BOTH DETECTORS BEING DISPOSED WITH RESPECT TO SAID BEAM-SPLITTING MEANS SO THAT EACH SAID RADIATION DETECTOR VIEWS THE IDENTICAL AREA
Claim 2
Dependent Claim
117 words
AN ANALYZER FOR THE PHOTOMETRIC ANALYSIS OF A SAMPLE ON THE BASIS OF RADIATION TRANSMITTED FROM SAID SAMPLE WHEREIN INTENSITIES OF THE SEVERAL WAVE LENGTHS IN SAID RADIATION ARE SINGLE-VALUED FUNCTIONS OF A FIRST VARIABLE AND A SECOND VARIABLE CHARACTERISTIC OF SAID SAMPLE COMPRISING IN COMBINATION BEAM-SPLITTING MEANS ADAPTED TO RECEIVE AND DIVIDE RADIATION FROM A SPECIFIC REGION OF SAID SAMPLE INTO TWO SEPARATE BEAMS, ONE OF WHICH BEAMS IS PASSED THROUGH A FIRST FILTER TO A FIRST RADIATION DETECTOR AND THE OTHER OF WHICH BEAMS IS PASSED THROUGH A SECOND FILTER TO A SECOND RADIATION DETECTOR, BOTH DETECTORS BEING DISPOSED WITH RESPECT TO SAID BEAM-SPLITTING MEANS SO THAT EACH SAID RADIATION DETECTOR VIEWS THE IDENTICAL AREA
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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) | 1970-02-27 | 1970-08-29 | 1971-02-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-27 | 1974-08-29 | 1975-02-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-27 | 1978-08-29 | 1979-02-28 | $7700.00 | Window Closed / Lapsed |