US3408819A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilising underwater surface
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1966-06-16
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Granted: 1968-11-05
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Expires: 1986-06-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph V Delfosse
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:21
CPC Classifications
E; E02; E02D; E02D3/00; E02D3/12; E02D3/123; E01; E01C; E01C21/00
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
61 words
A METHOD OF STABILIZING A SUBSURFACE LAYER OF A BED OF NON-COHESIVE GRANULAR MATERIAL WHICH COMPRISES: (A) FLUIDIZING, AT A DEPTH BELOW THE SURFACE LAYER OF A NON-COHESIVE GRANULAR MATERIAL SUFFICIENT TO MINIMIZE DISTURBANCE OF SAID SURFACE LAYER, A FIRST PORTION OF A SUBSURFACE LAYER OF A NON-COHESIVE GRANULAR MATERIAL; (B) APPLYING A BINDER MATERIAL DIRECTLY TO THE FLUIDIZED MATERIAL; AND
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) | 1971-11-05 | 1972-05-06 | 1972-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-05 | 1976-05-06 | 1976-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-05 | 1980-05-06 | 1980-11-05 | $7700.00 | Window Closed / Lapsed |