Patent US3231091A successfully refreshed from Google Patents.
US3231091A
Expired / Lapsed
US
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Separator
Assignee: Pfaudler Permutit Inc
•
Filing: 1962-10-29
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Granted: 1966-01-25
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Expires: 1982-10-29
Abstract
No abstract record available.
Inventors
- 👤 Albert W Kingsbury
- 👤 William S Young
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 07:56
CPC Classifications
C; C10; C10G; C10G33/00; C10G33/06; B; B01; B01D; B01D17/00; B01D17/02; B01D17/04; B01D17/045; F; F22; F22B; F22B37/00; F22B37/02; F22B37/26; F22B37/265; Y; Y10; Y10S; Y10S210/00; Y10S210/05
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
APPARATUS FOR SEPARATING FROM WATER LIQUID HYDROCARBONS HAVING A KINEMATIC VISCOSITY OF BETWEEN ABOUT 45 AND 300 SECONDS, SAYBOLT FUROL, COMPRISING AN ESSENTIALLY CYLINDRICAL SHELL, AN INLET AT ONE END OF SAID SHELL, AN OUTLET AT THE OTHER END OF SAID SHELL, A PLURALITY OF SEPTA, EACH SEPTUM COMPRISING A SINGLE SPACED PLAIN DUTCH WEAVE WIRE MESH SCREEN DISPOSED WITHIN SAID SHELL BETWEEN SAID INLET AND OUTLET AND ADAPTED PROGRESSIVELY TO COALESCE SAID LIQUID HYDROCARBON AS THE WATER PASSES THROUGH SAID SHELL, EACH OF SAID SCREENS HAVING ABOUT 20 TO 30 WIRES PER INCH IN ONE DIRECTION AND ABOUT 110 TO 150 WIRES PER INCH IN THE OTHER DIRECTION, AND DRAW-OFF MEANS MOUNTED IN SAID SHELL ADJACENT TO SAID SCREENS TO CONTINUOUSLY WITHDRAW SAID COALESCED HYDROCARBONS.
Claim 2
Dependent Claim
126 words
APPARATUS FOR SEPARATING FROM WATER LIQUID HYDROCARBONS HAVING A KINEMATIC VISCOSITY OF BETWEEN ABOUT 45 AND 300 SECONDS, SAYBOLT FUROL, COMPRISING AN ESSENTIALLY CYLINDRICAL SHELL, AN INLET AT ONE END OF SAID SHELL, AN OUTLET AT THE OTHER END OF SAID SHELL, A PLURALITY OF SEPTA, EACH SEPTUM COMPRISING A SINGLE SPACED PLAIN DUTCH WEAVE WIRE MESH SCREEN DISPOSED WITHIN SAID SHELL BETWEEN SAID INLET AND OUTLET AND ADAPTED PROGRESSIVELY TO COALESCE SAID LIQUID HYDROCARBON AS THE WATER PASSES THROUGH SAID SHELL, EACH OF SAID SCREENS HAVING ABOUT 20 TO 30 WIRES PER INCH IN ONE DIRECTION AND ABOUT 110 TO 150 WIRES PER INCH IN THE OTHER DIRECTION, AND DRAW-OFF MEANS MOUNTED IN SAID SHELL ADJACENT TO SAID SCREENS TO CONTINUOUSLY WITHDRAW SAID COALESCED HYDROCARBONS.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-01-24 | 1969-07-26 | 1970-01-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-24 | 1973-07-26 | 1974-01-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-24 | 1977-07-26 | 1978-01-25 | $7700.00 | Window Closed / Lapsed |