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US2442898A
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Method for quenching fluids
Assignee: Phillips Petroleum Co
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Filing: 1945-07-02
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Granted: 1948-06-08
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Expires: 1965-07-02
Abstract
No abstract record available.
Inventors
- 👤 Bernard G Maguire
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:28
CPC Classifications
B; B01; B01D; B01D51/00; B01D51/10; B01F; B01F25/00; B01F25/30; B01F25/31; B01F25/314; B01F25/3142; B01F25/31423; B01F23/00; B01F23/40; Y; Y10; Y10S; Y10S261/00; Y10S261/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
FR354393A
Cited
US1655053A
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US1957946A
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US1966113A
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GB409875A
Cited
US2165880A
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US2310265A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-06-08 | 1951-12-08 | 1952-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-06-08 | 1955-12-08 | 1956-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-06-08 | 1959-12-08 | 1960-06-08 | $7700.00 | Window Closed / Lapsed |