US3613376A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Fence for enclosing impurities floating on water
Assignee: Individual
•
Filing: 1969-05-12
•
Granted: 1971-10-19
•
Expires: 1989-05-12
Abstract
Abstract A FENCE FOR ENCLOSING IMPURITIES FLOATING ON WATER, HAVING AN ELONGATED TWO LAYER PIECE OF MATERIAL WITH SPACED APART POCKETS PROVIDED BY CONNECTIONS TO THE TWO LAYERS OF MATERIAL WHICH POCKETS HAVE OPENINGS FACING ONE LONGITUDINAL EDGE OF THE MATERIAL AND FLOATS AND WEIGHTS IN SAID POCKETS CAPABLE OF KEEPING THE FENCE FLOATING IN WATER WITH THE SIDES OF THE FENCE SUBSTANTIALLY VERTICAL AND THE LONGITUDINAL EDGES OF THE FENCE SUBSTANTIALLY PARALLEL WITH THE SURFACE OF THE WATER.
Inventors
- 👤 Bo Midby
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 02:07
CPC Classifications
E; E02; E02B; E02B15/00; E02B15/04; E02B15/08; E02B15/0814
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-18 | 1975-04-19 | 1975-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-18 | 1979-04-19 | 1979-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-18 | 1983-04-19 | 1983-10-19 | $7700.00 | Window Closed / Lapsed |