US3179798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sample call for live zero spectrometer
Assignee: Applied Biosystems Inc
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Filing: 1961-09-22
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Granted: 1965-04-20
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Expires: 1981-09-22
Abstract
No abstract record available.
Inventors
- 👤 Savitzky Abraham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:34
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/01; G01N21/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
SPECTROPHOTOMETRIC APPARATUS WHICH COMPRISES SOURCE MEANS GENERATING RADIANT ENERGY; OPTICAL MEANS FORMING A SAMPLE BEAM AND A REFERENCE BEAM FROM SAID RADIANT ENERGY; MEANS FOR DETECTING AND MEASRUING THE RELATIVE INTENSITIES OF SAID SAMPLE AND REFERENCE BEAMS; AND MEANS FOR HOLDING A RADIATION-ABSORBING SAMPLE IN ONLY ONE PORTION OF SAID SAMPLE BEAM TO ATTENUATE SAID PORTION, WHILE LEADING THE REMAINING OTHER PORTION OF SAID SAMPLE BEAMS SUBSTANTIALLY UNAFFECTED, SO THAT SAID DETECTING MEANS RECEIVES SAMPLE BEAM RADIATION EVEN WHEN SAID SAMPLE TOTALLY ABSORBS SAID ONE PORTION OF SAID SAMPLE BEAM.
Claim 2
Dependent Claim
90 words
SPECTROPHOTOMETRIC APPARATUS WHICH COMPRISES SOURCE MEANS GENERATING RADIANT ENERGY; OPTICAL MEANS FORMING A SAMPLE BEAM AND A REFERENCE BEAM FROM SAID RADIANT ENERGY; MEANS FOR DETECTING AND MEASRUING THE RELATIVE INTENSITIES OF SAID SAMPLE AND REFERENCE BEAMS; AND MEANS FOR HOLDING A RADIATION-ABSORBING SAMPLE IN ONLY ONE PORTION OF SAID SAMPLE BEAM TO ATTENUATE SAID PORTION, WHILE LEADING THE REMAINING OTHER PORTION OF SAID SAMPLE BEAMS SUBSTANTIALLY UNAFFECTED, SO THAT SAID DETECTING MEANS RECEIVES SAMPLE BEAM RADIATION EVEN WHEN SAID SAMPLE TOTALLY ABSORBS SAID ONE PORTION OF SAID SAMPLE BEAM.
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) | 1968-04-19 | 1968-10-19 | 1969-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-04-19 | 1972-10-19 | 1973-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-04-19 | 1976-10-19 | 1977-04-20 | $7700.00 | Window Closed / Lapsed |