Patent US2954472A successfully refreshed from Google Patents.
US2954472A
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Sample cell for radiation analyzer
Assignee: Phillips Petroleum Co
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Filing: 1957-08-19
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Granted: 1960-09-27
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Expires: 1977-08-19
Abstract
No abstract record available.
Inventors
- 👤 Alfon O Frenzel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:38
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/01; G01N21/03; G01N21/0303
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
A CELL FOR AN ANALYZER UTILIZING RADIATION WHICH COMPRISES, IN COMBINATION, A PAIR OF WINDOWS OF MATERIAL SELECTED FROM THE GROUP CONSISTING OF GERMANIUM AND SILICON, A WEDGE-SHAPED SPACER MOUNTED BETWEEN SAID WINDOWS SO THAT SAID WINDOWS ARE SLANTED WITH RESPECT TO EACH OTHER, SAID SPACER HAVING A PORTION CUT OUT TO ACCOMMODATE A SAMPLE, MEANS FOR HOLDING THE FOREGOING PARTS IN ASSEMBLED RELATION, AND MEANS FOR INTRODUCING MATERIAL INTO SAID CELL AND WITHDRAWING MATERIAL THEREFROM.
Claim 2
Dependent Claim
76 words
A CELL FOR AN ANALYZER UTILIZING RADIATION WHICH COMPRISES, IN COMBINATION, A PAIR OF WINDOWS OF MATERIAL SELECTED FROM THE GROUP CONSISTING OF GERMANIUM AND SILICON, A WEDGE-SHAPED SPACER MOUNTED BETWEEN SAID WINDOWS SO THAT SAID WINDOWS ARE SLANTED WITH RESPECT TO EACH OTHER, SAID SPACER HAVING A PORTION CUT OUT TO ACCOMMODATE A SAMPLE, MEANS FOR HOLDING THE FOREGOING PARTS IN ASSEMBLED RELATION, AND MEANS FOR INTRODUCING MATERIAL INTO SAID CELL AND WITHDRAWING MATERIAL THEREFROM.
References Cited (Backward Citations)
US2545162A
Cited
US2637817A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1963-09-27 | 1964-03-28 | 1964-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-09-27 | 1968-03-28 | 1968-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-09-27 | 1972-03-28 | 1972-09-27 | $7700.00 | Window Closed / Lapsed |