Patent US3859797A successfully refreshed from Google Patents.
US3859797A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oil boom
Assignee: Shell USA Inc
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Filing: 1972-09-26
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Granted: 1975-01-14
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Expires: 1992-09-26
Abstract
Abstract Apparatus and method for controlling the spill of a polluting liquid on a water surface, the apparatus being composed of a vertical skirt of corrugated material supported at intervals along the length of the skirt by outriggers which function to support the skirt by floats held spaced from the skirt; the method involving uncoiling a skirt of corrugated material, attaching outrigger connected floats at intervals along the length of the skirt, and deploying the skirt, outriggers and floats into the water around the pollutant spill.
Inventors
- 👤 Ray R Ayers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 16:18
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/08; E02B15/0814; E02B15/0857; E02B15/0885; Y; Y02; Y02A; Y02A20/00; Y02A20/20; Y02A20/204
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
82 words
A boom for deployment on a water surface comprising: an upright skirt corrugated with the axes of corrugations running from top to bottom of the skirt; support means for the skirt comprising at least one pair of Vshaped outriggers having floats attached to its extremities and inverted over the upper edge of the skirt and attached thereto; tandem cables for carrying boom tension attached near the water line on opposite sides of the skirt; and baffles spaced in front of the skirt.
Claim 2
Dependent Claim
82 words
A boom for deployment on a water surface comprising: an upright skirt corrugated with the axes of corrugations running from top to bottom of the skirt; support means for the skirt comprising at least one pair of Vshaped outriggers having floats attached to its extremities and inverted over the upper edge of the skirt and attached thereto; tandem cables for carrying boom tension attached near the water line on opposite sides of the skirt; and baffles spaced in front of the skirt.
Claim 3
Dependent Claim
17 words
The boom of claim 1 wherein the baffles are attached to the extremities of the support means.
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) | 1978-01-13 | 1978-07-15 | 1979-01-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-13 | 1982-07-15 | 1983-01-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-13 | 1986-07-15 | 1987-01-14 | $7700.00 | Window Closed / Lapsed |