US2910136A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for separating fluids
Assignee: Black Sivalls and Bryson Inc
•
Filing: 1956-07-20
•
Granted: 1959-10-27
•
Expires: 1976-07-20
Abstract
No abstract record available.
Inventors
- 👤 Charles B Valliant
- 👤 William L Scheirman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 02:14
CPC Classifications
B; B01; B01D; B01D45/00; B01D45/02; B01D45/04; B01D45/08
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US1534831A
Cited
US1760351A
Cited
US2614648A
Cited
US2678108A
Cited
US2681150A
Cited
US2656896A
Cited
US2610697A
Cited
US2685938A
Cited
US2710071A
Cited
US2760594A
Cited
US2788080A
Cited
US2785766A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-26 | 1963-04-27 | 1963-10-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-26 | 1967-04-27 | 1967-10-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-26 | 1971-04-27 | 1971-10-27 | $7700.00 | Window Closed / Lapsed |