Patent US2788080A successfully refreshed from Google Patents.
US2788080A
Expired / Lapsed
US
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Liquid and gas separator
Assignee: DELTA TANK Manufacturing CO Inc
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Filing: 1955-02-24
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Granted: 1957-04-09
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Expires: 1975-02-24
Abstract
No abstract record available.
Inventors
- 👤 Paul L Guarin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:10
CPC Classifications
B; B01; B01D; B01D50/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2931; Y10T137/3003; Y10T137/3021; Y10T137/304; Y10T137/3052; Y10T137/3056
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-04-08 | 1960-10-08 | 1961-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-04-08 | 1964-10-08 | 1965-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-04-08 | 1968-10-08 | 1969-04-09 | $7700.00 | Window Closed / Lapsed |