Patent US3221884A successfully refreshed from Google Patents.
US3221884A
Expired / Lapsed
US
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Apparatus for removing a surface layer from a body of liquid
Assignee: Individual
•
Filing: 1962-01-02
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Granted: 1965-12-07
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Expires: 1982-01-02
Abstract
No abstract record available.
Inventors
- 👤 Muller Jacques
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:55
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/06; Y; Y10; Y10S; Y10S210/00; Y10S210/05; Y10S210/918; Y10S210/922; Y10S210/923
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
APPARATUS FOR REMOVING A SURFACE LAYER FROM A BODY OF LIQUID COMPRISING A FLEXIBLE PIPE SURROUNDED BY A LAYER OF BUOYANT MATERIAL AND AN OUTER SHEATH, WHEREBY SAID FLEXIBLE PIPE FLOATS ON THE SURFACE OF SAID BODY OF LIQUID, A PLURALITY OF SUCTION NOZZLES EXTENDING AT SPACED INTERVALS ALONG THE LENGTH OF SAID PIPE, SAID NOZZLES PROJECTING LATERALLY OUTWARD FROM SAID PIPE AND AND IN COMMUNICATION WITH THE INTERIOR THEREOF, SAID NOZZLES BEING ADAPTED TO DIP INTO SAID SURFACE LAYER, SUCTION MEANS CONNECTED TO SAID PIPE TO DRAW THE LIQUID OF SAID SURFACE LAYER INTO SAID PIPE THROUGH SAID NOZZLES, AND FILTER MEANS CONNECTED TO SAID PIPE AND THROUGH WHICH LIQUID IS FORCED BY SAID SUCTION MEANS THEREBY SEPARTING SAID SURFACE LAYER LIQUID FROM THE LIQUID OF SAID BODY.
Claim 2
Dependent Claim
129 words
APPARATUS FOR REMOVING A SURFACE LAYER FROM A BODY OF LIQUID COMPRISING A FLEXIBLE PIPE SURROUNDED BY A LAYER OF BUOYANT MATERIAL AND AN OUTER SHEATH, WHEREBY SAID FLEXIBLE PIPE FLOATS ON THE SURFACE OF SAID BODY OF LIQUID, A PLURALITY OF SUCTION NOZZLES EXTENDING AT SPACED INTERVALS ALONG THE LENGTH OF SAID PIPE, SAID NOZZLES PROJECTING LATERALLY OUTWARD FROM SAID PIPE AND AND IN COMMUNICATION WITH THE INTERIOR THEREOF, SAID NOZZLES BEING ADAPTED TO DIP INTO SAID SURFACE LAYER, SUCTION MEANS CONNECTED TO SAID PIPE TO DRAW THE LIQUID OF SAID SURFACE LAYER INTO SAID PIPE THROUGH SAID NOZZLES, AND FILTER MEANS CONNECTED TO SAID PIPE AND THROUGH WHICH LIQUID IS FORCED BY SAID SUCTION MEANS THEREBY SEPARTING SAID SURFACE LAYER LIQUID FROM THE LIQUID OF SAID BODY.
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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) | 1968-12-06 | 1969-06-07 | 1969-12-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-06 | 1973-06-07 | 1973-12-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-06 | 1977-06-07 | 1977-12-07 | $7700.00 | Window Closed / Lapsed |