Patent US3259245A successfully refreshed from Google Patents.
US3259245A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fluid separation method
Assignee: Surface Separator Systems Inc
•
Filing: 1965-11-17
•
Granted: 1966-07-05
•
Expires: 1985-11-17
Abstract
No abstract record available.
Inventors
- 👤 Murdock M Earle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:31
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/045; Y; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/923
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
148 words
A METHOD OF RECOVERING A FIRST OF TWO STRATIFIED UNCONFINED LIQUIDS COMPRISING: (A) PASSING A FIRST PARTIALLY IMMERSED CONTINUOUS COLLECTING SURFCE DOWNWARDLY THROUGH THE INTERFACE FORMED BETWEEN THE TWO LIQUIDS AND UPWARDLY FROM SAID INTERFACE, (B) WIPING ONE OF SAID LIQUIDS FROM SAID COLLECTING SURFACES, (C) PASSING SAID ONE LIQUID TO A LATERALLY CONFINED SUMP AT A FIRST LOCATION, SAID SUMP HAVING A PORTION OF SAID TWO LIQUIDS THEREIN BUT BEING ENRICHED IN SAID ONE OF SAID LIQUIDS, (D) PASSING A SECOND PARTIALLY IMMERSED CONTINUOUS RECOVERY SURFACE DOWNWARDLY THROUGH SAID SUMP AND THROUGH THE INTERFACE FORMED BETWEEN THE TWO LIQUIDS IN SAID SUMP AND UPWARDLY FROM THE SECOND MENTIONED INTERFACE, (E) WIPING SAID ONE LIQUID FROM SAID RECOVERY SURFACE, AND (F) PASSING SAID ONE LIQUID FROM THE SECOND MENTIONED WIPING STEP TO A RECOVERY TROUGH AT A SECOND LOCATION, THEREBY EFFECTING SUBSTANTIALLY COMPLETE RECOVERY OF SAID ONE LIQUID.
Claim 2
Independent Claim
148 words
A METHOD OF RECOVERING A FIRST OF TWO STRATIFIED UNCONFINED LIQUIDS COMPRISING: (A) PASSING A FIRST PARTIALLY IMMERSED CONTINUOUS COLLECTING SURFCE DOWNWARDLY THROUGH THE INTERFACE FORMED BETWEEN THE TWO LIQUIDS AND UPWARDLY FROM SAID INTERFACE, (B) WIPING ONE OF SAID LIQUIDS FROM SAID COLLECTING SURFACES, (C) PASSING SAID ONE LIQUID TO A LATERALLY CONFINED SUMP AT A FIRST LOCATION, SAID SUMP HAVING A PORTION OF SAID TWO LIQUIDS THEREIN BUT BEING ENRICHED IN SAID ONE OF SAID LIQUIDS, (D) PASSING A SECOND PARTIALLY IMMERSED CONTINUOUS RECOVERY SURFACE DOWNWARDLY THROUGH SAID SUMP AND THROUGH THE INTERFACE FORMED BETWEEN THE TWO LIQUIDS IN SAID SUMP AND UPWARDLY FROM THE SECOND MENTIONED INTERFACE, (E) WIPING SAID ONE LIQUID FROM SAID RECOVERY SURFACE, AND (F) PASSING SAID ONE LIQUID FROM THE SECOND MENTIONED WIPING STEP TO A RECOVERY TROUGH AT A SECOND LOCATION, THEREBY EFFECTING SUBSTANTIALLY COMPLETE RECOVERY OF SAID ONE LIQUID.
References Cited (Backward Citations)
US1573085A
Cited
US1094378A
Cited
US1611850A
Cited
US1599163A
Cited
US1530078A
Cited
US1860819A
Cited
US2146542A
Cited
US2470418A
Cited
US2876903A
Cited
US2816659A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-04 | 1970-01-03 | 1970-07-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-04 | 1974-01-03 | 1974-07-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-04 | 1978-01-03 | 1978-07-05 | $7700.00 | Window Closed / Lapsed |