US2914923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underground fluid storage containers
Assignee: 3M Co
•
Filing: 1956-10-26
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Granted: 1959-12-01
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Expires: 1976-10-26
Abstract
No abstract record available.
Inventors
- 👤 George C Harrison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 07:46
CPC Classifications
B; B65; B65G; B65G5/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A CONTAINER FOR HYDROCARBON AND OTHER FLUIDS WHICH COMPRISES A CAVITY IN THE EARTH HAVING POROUS INTERIOR WALLS OF SANDSTONE, LIMESTONE OR SUCH LIKE, THE PARTICLES FORMING SAID WALLS BEING STABILIZED TO A SUBSTANTIAL DEPTH WITH A HYDROPHILIC INITIALLY WATER-DISPERSIBLE STABILIZING BINDER-COAGULANT, THE INTERSTITIAL OPENINGS BETWEEN SAID PARTICLES BEING INCOMPLETELY FILLED BY SAID BINDER-COAGULANT, AND AN OVERLYING IN SITU COAGULATED STRONG CONTINUOUS FIRMLY-ANCHORED HYDROCARBON INSOLUBLE SEALING COAT FILLING REMAINING UNFILLED INTERSTITIAL OPENINGS BETWEEN BONDED WALL PARTICLES WHICH IS RESISTANT TO SOLUTION IN AND PENETRATION BY HYDROCARBON FLUIDS.
Claim 2
Dependent Claim
87 words
A CONTAINER FOR HYDROCARBON AND OTHER FLUIDS WHICH COMPRISES A CAVITY IN THE EARTH HAVING POROUS INTERIOR WALLS OF SANDSTONE, LIMESTONE OR SUCH LIKE, THE PARTICLES FORMING SAID WALLS BEING STABILIZED TO A SUBSTANTIAL DEPTH WITH A HYDROPHILIC INITIALLY WATER-DISPERSIBLE STABILIZING BINDER-COAGULANT, THE INTERSTITIAL OPENINGS BETWEEN SAID PARTICLES BEING INCOMPLETELY FILLED BY SAID BINDER-COAGULANT, AND AN OVERLYING IN SITU COAGULATED STRONG CONTINUOUS FIRMLY-ANCHORED HYDROCARBON INSOLUBLE SEALING COAT FILLING REMAINING UNFILLED INTERSTITIAL OPENINGS BETWEEN BONDED WALL PARTICLES WHICH IS RESISTANT TO SOLUTION IN AND PENETRATION BY HYDROCARBON FLUIDS.
References Cited (Backward Citations)
US2670048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-11-30 | 1963-06-01 | 1963-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-11-30 | 1967-06-01 | 1967-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-11-30 | 1971-06-01 | 1971-12-01 | $7700.00 | Window Closed / Lapsed |