US3012629A
Expired / Lapsed
US
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Methods and means for low temperature separation
Assignee: Cameron Solutions Inc
•
Filing: 1958-07-25
•
Granted: 1961-12-12
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Expires: 1978-07-25
Abstract
No abstract record available.
Inventors
- 👤 Jay P Walker
- 👤 Robert W Coggins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 23:20
CPC Classifications
C; C10; C10G; C10G5/00; C10G5/06; Y; Y10; Y10S; Y10S62/00; Y10S62/902; Y10S62/911
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2531593A
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US2690814A
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US2768118A
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US2786543A
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US2758665A
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US2866834A
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US2928885A
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US2873814A
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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) | 1964-12-11 | 1965-06-12 | 1965-12-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-11 | 1969-06-12 | 1969-12-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-11 | 1973-06-12 | 1973-12-12 | $7700.00 | Window Closed / Lapsed |