Patent US2508528A successfully refreshed from Google Patents.
US2508528A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam separator
Assignee: Wausau Paper Mills LLC
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Filing: 1949-01-12
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Granted: 1950-05-23
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Expires: 1969-01-12
Abstract
No abstract record available.
Inventors
- 👤 John A Mcpherson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:56
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
AN FOAM SEPARATING APPARATUS COMPRISING A TANK DEFINING A CHAMBER, AN INLET FOR SUPPLYING A FOAMING LIQUID INTO SAID CHAMBER, AN OUTLET DISPOSING BELOW SAID INLET FOR DISCHARGING LIQUID FROM SAID CHAMBER, A SECOND OUTLET DISPOSED ABOVE AND SPACED HORIZONTALLY FROM SAID INLET FOR DISCHARGING VAPORS FROM SAID CHAMBER, A PLURALITY OF SPACED, CORRUGATED BAFFIES DISPOSED IN SAID CHAMBER IN THE PATH OF LIQUID FLOWING BETWEEN SAID INLET AND SAID VAPOR DISCHARGE OUTLET AND SPACED HORIZONTALLY FROM BOTH SAID INLET AND SAID VAPOR OUTLET FOR COLLAPSING FOAM BUBBLES IN SAID FOAMING LIQUID PASSING BETWEEN SAID BAFFIES AND MEANS FOR SECURING SAID BAFFIES IN SAID CHAMBER IN THE SPACE BETWEEN SAID INLET AND SAID SECOND OUTLET.
Claim 2
Dependent Claim
115 words
AN FOAM SEPARATING APPARATUS COMPRISING A TANK DEFINING A CHAMBER, AN INLET FOR SUPPLYING A FOAMING LIQUID INTO SAID CHAMBER, AN OUTLET DISPOSING BELOW SAID INLET FOR DISCHARGING LIQUID FROM SAID CHAMBER, A SECOND OUTLET DISPOSED ABOVE AND SPACED HORIZONTALLY FROM SAID INLET FOR DISCHARGING VAPORS FROM SAID CHAMBER, A PLURALITY OF SPACED, CORRUGATED BAFFIES DISPOSED IN SAID CHAMBER IN THE PATH OF LIQUID FLOWING BETWEEN SAID INLET AND SAID VAPOR DISCHARGE OUTLET AND SPACED HORIZONTALLY FROM BOTH SAID INLET AND SAID VAPOR OUTLET FOR COLLAPSING FOAM BUBBLES IN SAID FOAMING LIQUID PASSING BETWEEN SAID BAFFIES AND MEANS FOR SECURING SAID BAFFIES IN SAID CHAMBER IN THE SPACE BETWEEN SAID INLET AND SAID SECOND OUTLET.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-05-22 | 1953-11-21 | 1954-05-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-05-22 | 1957-11-21 | 1958-05-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-05-22 | 1961-11-21 | 1962-05-23 | $7700.00 | Window Closed / Lapsed |