US3079030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Floating cover for sloped wall reservoir
Assignee: Chicago Bridge and Iron Co
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Filing: 1959-12-31
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Granted: 1963-02-26
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Expires: 1979-12-31
Abstract
No abstract record available.
Inventors
- 👤 Frederick D Moyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:59
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/76
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
86 words
A FLOATING COVER FOR A LIQUID STORAGE RESERVOIR HAVING INWARDLY SLOPING SIDE WALLS PROVIDED WITH AN UPPER PERIPHERAL RIM, SAID FLOATING COVER COMPRISING A SUBSTANTIALLY RIGID, PLANAR, FLOATING, CENTRAL SECTION DISPOSED ABOVE THE CENTRAL AREA OF THE RESERVOIR AND CIRCUMSCRIBED BY THE SIDE WALLS, A SERIES OF FLOATING, PLANAR, SUBSTANTIALLY RIGID SEGMENTS SPANNING THE SPACE BETWEEN SAID CENTRAL SECTION AND THE RIM, AND HINGE MEANS HAVING A SINGLE PIVOT COMMON TO ADJACENT SEGMENTS FOR PREVENTING SEPARATIONAL MOVEMENT BETWEEN ADJACENT SEGMENTS AND FOR PIVOTALLY CONNECTING ADJACENT SEGMENTS.
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) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |