US3030280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Photometric-coulometric bromine number titrator
Assignee: Phillips Petroleum Co
•
Filing: 1958-03-14
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Granted: 1962-04-17
•
Expires: 1978-03-14
Abstract
No abstract record available.
Inventors
- 👤 John W Miller
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:12
CPC Classifications
G; G01; G01N; G01N27/00; G01N27/26; G01N27/416; G01N27/42; G01N27/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
AN APPARATUS FOR DETERMING THE END POINT OF A TITRATION WHICH COMPRISES THE COMBINATION OF AN ULTRAVIOLET RADIATION GENERATOR, A SAMPLE CELL, AN ANODE AND CATHODE DISPOSED IN SAID SAMPLE CELL, MEANS FOR DETECTING ULTRAVIOLET RADIATION, MEANS FOR RECORDING A SIGNAL GENERATED BY SAID MEANS FOR DETECTING IN RESPONSE TO RADIATION IMPINGING ON THE LATTER, MEANS FOR PASSING A BEAM OF RADIATION FROM SAID SOURCE THROUGH SAID SAMPLE CELL TO SAID MEANS FOR DETECTING, AND MEANS FOR FLOWING DIRECT CURRENT AT A CONSTANT RATE FROM SAID ANODE TO SAID CATHODE.
Claim 2
Independent Claim
90 words
AN APPARATUS FOR DETERMING THE END POINT OF A TITRATION WHICH COMPRISES THE COMBINATION OF AN ULTRAVIOLET RADIATION GENERATOR, A SAMPLE CELL, AN ANODE AND CATHODE DISPOSED IN SAID SAMPLE CELL, MEANS FOR DETECTING ULTRAVIOLET RADIATION, MEANS FOR RECORDING A SIGNAL GENERATED BY SAID MEANS FOR DETECTING IN RESPONSE TO RADIATION IMPINGING ON THE LATTER, MEANS FOR PASSING A BEAM OF RADIATION FROM SAID SOURCE THROUGH SAID SAMPLE CELL TO SAID MEANS FOR DETECTING, AND MEANS FOR FLOWING DIRECT CURRENT AT A CONSTANT RATE FROM SAID ANODE TO SAID CATHODE.
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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) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |