Patent US2682151A successfully refreshed from Google Patents.
US2682151A
Expired / Lapsed
US
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Boom for confining material floating on water
Assignee: Individual
•
Filing: 1950-10-02
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Granted: 1954-06-29
•
Expires: 1970-10-02
Abstract
No abstract record available.
Inventors
- 👤 Simpson James Murray
- 👤 Randall Ralph Sherman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:19
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/08; E02B15/0821; E02B15/0835; E02B15/0857; E02B15/0864
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1171153A
Cited
US1796595A
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US2191374A
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US2240567A
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US2391059A
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US2370000A
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US2401453A
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US2518091A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-06-28 | 1957-12-28 | 1958-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-06-28 | 1961-12-28 | 1962-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-06-28 | 1965-12-28 | 1966-06-29 | $7700.00 | Window Closed / Lapsed |