US3266631A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating a fluid mixture by acoustic energy
Assignee: APT FINANCAL CORP A CORPOF NV
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Filing: 1964-03-16
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Granted: 1966-08-16
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Expires: 1984-03-16
Abstract
No abstract record available.
Inventors
- 👤 Alvin A Snaper
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:32
CPC Classifications
B; B01; B01J; B01J19/00; B01J19/08; B01J19/10; B01D; B01D19/00; B01D19/0073; B01D19/0078
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
DE927144C
Cited
US2864502A
Cited
US3200567A
Cited
US3151958A
Cited
US3109721A
Cited
US3044236A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-15 | 1970-02-14 | 1970-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-15 | 1974-02-14 | 1974-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-15 | 1978-02-14 | 1978-08-16 | $7700.00 | Window Closed / Lapsed |