US3403497A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process and apparatus for liquid/gas separation
Assignee: Honeywell International Inc
•
Filing: 1966-03-11
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Granted: 1968-10-01
•
Expires: 1986-03-11
Abstract
No abstract record available.
Inventors
- 👤 Mey John E Vander
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:02
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/04; B01D45/08; B01D45/10; B01D45/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US588825A
Cited
US3228174A
Cited
US2452859A
Cited
DE910243C
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US3177634A
Cited
US3250703A
Cited
US3246026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-01 | 1972-04-01 | 1972-10-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-01 | 1976-04-01 | 1976-10-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-01 | 1980-04-01 | 1980-10-01 | $7700.00 | Window Closed / Lapsed |