Patent US2999364A successfully refreshed from Google Patents.
US2999364A
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Method and devices for separating components from a gas- and/or vapour mixture
Assignee: US Philips Corp
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Filing: 1958-07-18
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Granted: 1961-09-12
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Expires: 1978-07-18
Abstract
No abstract record available.
Inventors
- 👤 Hellingman Evert
- 👤 Cornelis Jacobus Marie Va Laan
- 👤 Roozendaal Klaas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 09:21
CPC Classifications
F; F25; F25J; F25J3/00; F25J3/08; B; B01; B01D; B01D7/00; B01D7/02; F25J2210/00; F25J2210/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2214672A
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US2386297A
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US2532288A
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US2585912A
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US2586207A
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US2648205A
Cited
US2734354A
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US2777299A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-11 | 1965-03-13 | 1965-09-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-11 | 1969-03-13 | 1969-09-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-11 | 1973-03-13 | 1973-09-12 | $7700.00 | Window Closed / Lapsed |