US3482694A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for separation of solids from liouids
Assignee: Neptune Microfloc Inc
•
Filing: 1967-06-27
•
Granted: 1969-12-09
•
Expires: 1987-06-27
Abstract
No abstract record available.
Inventors
- 👤 Archie H Rice
- 👤 Gordon L Culp
- 👤 Walter R Conley Jr
- 👤 Sigurd P Hansen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 20:50
CPC Classifications
C; C02; C02F; C02F3/00; C02F3/02; C02F3/12; B; B01; B01D; B01D21/00; B01D21/0018; B01D21/0039; B01D21/0045; B01D21/0057; B01D21/02; B01D21/24; B01D21/2405; B01D21/2444; Y; Y02; Y02W; Y02W10/00; Y02W10/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2069024A
Cited
US2060166A
Cited
US2458163A
Cited
GB635611A
Cited
FR987881A
Cited
GB746980A
Cited
US2868384A
Cited
GB901975A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |