Patent US3348690A successfully refreshed from Google Patents.
US3348690A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catcher for cleaning water surfaces
Assignee: Shell USA Inc
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Filing: 1964-11-09
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Granted: 1967-10-24
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Expires: 1984-11-09
Abstract
No abstract record available.
Inventors
- 👤 Cornelissen Jan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:18
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/046; E02B15/047; Y; Y10; Y10S; Y10S210/00; Y10S210/918; Y10S210/922; Y10S210/923
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
APPARATUS FOR COLLECTING MATTER FLOATING ON THE SURFACE OF THE LIQUID COMPRISING: (A) A FLOATING VESSEL; (B) ELONGATED BOOM MEANS PARTLY SUBMERGED IN THE LIQUID AND ATTACHED AT ONE END THEREOF TO THE VESSEL AND EXTENDING FORWARDLY AND OUTWARDLY FROM THE DIRECTION OF MOVEMENT OF THE VESSEL FOR FORMING A COLLECTING AREA BETWEEN A PORTION OF THE VESSEL AND SAID BOOM MEANS; (C) A SEPARATING TANK WITHIN SAID VESSEL; AND,
Claim 2
Dependent Claim
70 words
APPARATUS FOR COLLECTING MATTER FLOATING ON THE SURFACE OF THE LIQUID COMPRISING: (A) A FLOATING VESSEL; (B) ELONGATED BOOM MEANS PARTLY SUBMERGED IN THE LIQUID AND ATTACHED AT ONE END THEREOF TO THE VESSEL AND EXTENDING FORWARDLY AND OUTWARDLY FROM THE DIRECTION OF MOVEMENT OF THE VESSEL FOR FORMING A COLLECTING AREA BETWEEN A PORTION OF THE VESSEL AND SAID BOOM MEANS; (C) A SEPARATING TANK WITHIN SAID VESSEL; AND,
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-23 | 1971-04-24 | 1971-10-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-23 | 1975-04-24 | 1975-10-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-23 | 1979-04-24 | 1979-10-24 | $7700.00 | Window Closed / Lapsed |