Patent US2653471A successfully refreshed from Google Patents.
US2653471A
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Thermoacoustic gas analyzer
Assignee: ExxonMobil Oil Corp
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Filing: 1948-06-14
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Granted: 1953-09-29
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Expires: 1968-06-14
Abstract
No abstract record available.
Inventors
- 👤 Dayton H Clewell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:52
CPC Classifications
G; G01; G01N; G01N29/00; G01N29/02; G01N29/036; G01N2291/00; G01N2291/02; G01N2291/028; G01N2291/02881
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1135687A
Cited
US1351356A
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US1570781A
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US1588170A
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US2283750A
Cited
US2536025A
Cited
US2521634A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |