Patent US3394533A successfully refreshed from Google Patents.
US3394533A
Expired / Lapsed
US
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Liquid-gas separator
Assignee: Lockheed Martin Corp
•
Filing: 1966-06-17
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Granted: 1968-07-30
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Expires: 1986-06-17
Abstract
No abstract record available.
Inventors
- 👤 Li Yi Sheng
- 👤 James M Smith
- 👤 Thomas M Olcott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:49
CPC Classifications
B; B01; B01D; B01D53/00; B01D53/26
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2661076A
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US2835340A
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US2823760A
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US2934166A
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US2848060A
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US3066462A
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US3165470A
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US3197946A
Cited
US3269097A
Cited
US3329130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-30 | 1972-01-29 | 1972-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-30 | 1976-01-29 | 1976-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-30 | 1980-01-29 | 1980-07-30 | $7700.00 | Window Closed / Lapsed |