US2984361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Separator for liquids
Assignee: Bowser Inc
•
Filing: 1957-03-11
•
Granted: 1961-05-16
•
Expires: 1977-03-11
Abstract
No abstract record available.
Inventors
- 👤 Harvey E Marvel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:04
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/06; B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/045; B01D17/08; B01D17/10; C10G31/00; C10G31/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2550465A
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US2654483A
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US2600843A
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US2694660A
Cited
US2875901A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-05-15 | 1964-11-14 | 1965-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-05-15 | 1968-11-14 | 1969-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-05-15 | 1972-11-14 | 1973-05-16 | $7700.00 | Window Closed / Lapsed |