US3407937A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Immiscible liquid separator
Assignee: Midland Ross Corp
•
Filing: 1965-10-29
•
Granted: 1968-10-29
•
Expires: 1985-10-29
Abstract
No abstract record available.
Inventors
- 👤 Bakker Lubertus
- 👤 Beverly S Hazel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:21
CPC Classifications
B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/045
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1665164A
Cited
US2522378A
Cited
US2588794A
Cited
US2601904A
Cited
US2713919A
Cited
US2758720A
Cited
US3048275A
Cited
US2933191A
Cited
US3027009A
Cited
US3055505A
Cited
US3182800A
Cited
US3231091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-10-29 | 1972-04-29 | 1972-10-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-29 | 1976-04-29 | 1976-10-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-29 | 1980-04-29 | 1980-10-29 | $7700.00 | Window Closed / Lapsed |