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US2854585A
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Composition analyzer utilizing radiation
Assignee: Phillips Petroleum Co
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Filing: 1953-10-08
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Granted: 1958-09-30
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Expires: 1973-10-08
Abstract
No abstract record available.
Inventors
- 👤 Bill J Simmons
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:17
CPC Classifications
G; G01; G01N; G01N21/00; G01N21/17; G01N21/25; G01N21/27; G01N21/274; G01N21/84; G01N21/85
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1471342A
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US2417321A
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US2395489A
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US2419528A
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US2510977A
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US2483876A
Cited
US2559900A
Cited
US2761067A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |