US3276208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a subterranean asphaltic water barrier
Assignee: Standard Oil Co
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Filing: 1965-07-28
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Granted: 1966-10-04
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Expires: 1985-07-28
Abstract
No abstract record available.
Inventors
- 👤 John A Bolt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:28
CPC Classifications
E; E02; E02B; E02B13/00; E02D; E02D19/00; E02D19/06; E02D19/12; E02D19/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
149 words
THE METHOD OF FORMING A SUBTERRANEAN ASPHALTIC WATER BARRIER IN SITU IN A PRESELECTED SUBSURFACE STRATUM OF SOIL AND IN A PLANE SUBSTANTIALLY PARALLEL TO AND COEXTENSIVE WITH THE SOIL SURFACE, WHICH COMPRISES THE STEPS OF: (A) FORMING A TRANSLATING CAVITY IN A PRESELECTED SUBSURFACE STRATUM OF SOIL IN A PLANE SUBSTANTIALLY PARALLEL WITH THE SOIL SURFACE WITHOUT SIGNIFICANTLY PARALING THE STRUCTURE OF THE SOIL SURFACE, SAID CAVITY HAVING THE BOTTOM SURFACE THEREOF IN A PLANE SUBSTANTIALLY PARALLEL WITH THE SOIL SURFACE, (B) SPRAYING ONTO SAID BOTTOM SURFAFE AN AQUEOUS ASPHALTIC EMULSION WHICH QUICKLY BREAKS AND SETS TO FORM A CONTINUOUS WATER IMPERMEABLE FLEXIBLE ASPHALT MEMBRANE ON THE BOTTOM SURFACE OF SAID CAVITY PROIR TO CLOSING OF SAID CAVITY; AND (C) THEREAFTER CLOSING SAID CAVITY TO THEREBY FORM IN SAID SUBSURFACE STRATUM OF SOIL AN ASPHALTIC WATER BARRIER IN A PLANE SUBSTANTIALLY PARALLEL TO AND COEXTENSIVE WITH SOIL SURFACE.
Claim 2
Independent Claim
149 words
THE METHOD OF FORMING A SUBTERRANEAN ASPHALTIC WATER BARRIER IN SITU IN A PRESELECTED SUBSURFACE STRATUM OF SOIL AND IN A PLANE SUBSTANTIALLY PARALLEL TO AND COEXTENSIVE WITH THE SOIL SURFACE, WHICH COMPRISES THE STEPS OF: (A) FORMING A TRANSLATING CAVITY IN A PRESELECTED SUBSURFACE STRATUM OF SOIL IN A PLANE SUBSTANTIALLY PARALLEL WITH THE SOIL SURFACE WITHOUT SIGNIFICANTLY PARALING THE STRUCTURE OF THE SOIL SURFACE, SAID CAVITY HAVING THE BOTTOM SURFACE THEREOF IN A PLANE SUBSTANTIALLY PARALLEL WITH THE SOIL SURFACE, (B) SPRAYING ONTO SAID BOTTOM SURFAFE AN AQUEOUS ASPHALTIC EMULSION WHICH QUICKLY BREAKS AND SETS TO FORM A CONTINUOUS WATER IMPERMEABLE FLEXIBLE ASPHALT MEMBRANE ON THE BOTTOM SURFACE OF SAID CAVITY PROIR TO CLOSING OF SAID CAVITY; AND (C) THEREAFTER CLOSING SAID CAVITY TO THEREBY FORM IN SAID SUBSURFACE STRATUM OF SOIL AN ASPHALTIC WATER BARRIER IN A PLANE SUBSTANTIALLY PARALLEL TO AND COEXTENSIVE WITH SOIL SURFACE.
References Cited (Backward Citations)
US668362A
Cited
US1006116A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |