US3354656A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming an underground storage chamber
Assignee: Mobil Oil AS
•
Filing: 1964-05-01
•
Granted: 1967-11-28
•
Expires: 1984-05-01
Abstract
No abstract record available.
Inventors
- 👤 Frank C Fahnestock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:41
CPC Classifications
F; F17; F17C; F17C3/00; F17C3/005; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2201/0119; F17C2201/03; F17C2201/032; F17C2201/05; F17C2201/052; F17C2203/00; F17C2203/03; F17C2203/0304; F17C2203/0329; F17C2203/0333; F17C2221/00; F17C2221/03; F17C2221/032; F17C2221/033; F17C2221/035; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0157; F17C2227/03; F17C2227/0337; F17C2227/0341; F17C2265/00; F17C2265/03; F17C2265/032; F17C2265/033; F17C2265/034; F17C2265/037; F17C2270/00; F17C2270/01; F17C2270/0142; F17C2270/0144; F17C2270/0149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A METHOD FOR FORMING AN UNDERGROUND CHAMBER SERVICEABLE FOR THE STORAGE AND INSULATION OF LIQUIDS OVER A WIDE TEMPERATURE RANGE WHICH COMPRISES, FORMING A PLURALITY OF INJECTION WELLS OF DESIRABLE DEPTH IN THE GROUND, SAID WELLS ARRANGED TO DEFINE THE APPROXIMATE PERIMETER OF AN UNDERGROUND CHAMBER, INSERTING EACH OF SAID WELLS A HOLLOW INJECTION TUBE OF A DIAMETER SUCH AS TO MINIMIZE THE SPACE BETWEEN THE OUTSIDE WALL OF THE TUBE AND THE WELL WALL AND TO PREVENT VERTICAL LEAKAGE OF LIQUID SOIL-STABILIZING MATERIAL TO BE PASSED THROUGH SAID TUBE, SAID INJECTION TUBE BEING CLOSED AT ITS LOWEST END WITHIN SAID WELLS AND SAID TUBE HAVING A PLURALITY OF HOLES IN THE LOWER PORTION OF THE WALLS THEREOF, INJECTING A
Claim 2
Independent Claim
120 words
A METHOD FOR FORMING AN UNDERGROUND CHAMBER SERVICEABLE FOR THE STORAGE AND INSULATION OF LIQUIDS OVER A WIDE TEMPERATURE RANGE WHICH COMPRISES, FORMING A PLURALITY OF INJECTION WELLS OF DESIRABLE DEPTH IN THE GROUND, SAID WELLS ARRANGED TO DEFINE THE APPROXIMATE PERIMETER OF AN UNDERGROUND CHAMBER, INSERTING EACH OF SAID WELLS A HOLLOW INJECTION TUBE OF A DIAMETER SUCH AS TO MINIMIZE THE SPACE BETWEEN THE OUTSIDE WALL OF THE TUBE AND THE WELL WALL AND TO PREVENT VERTICAL LEAKAGE OF LIQUID SOIL-STABILIZING MATERIAL TO BE PASSED THROUGH SAID TUBE, SAID INJECTION TUBE BEING CLOSED AT ITS LOWEST END WITHIN SAID WELLS AND SAID TUBE HAVING A PLURALITY OF HOLES IN THE LOWER PORTION OF THE WALLS THEREOF, INJECTING A
References Cited (Backward Citations)
US768774A
Cited
GB190728541A
Cited
US2159954A
Cited
US2914923A
Cited
US2961840A
Cited
US2968572A
Cited
FR1278379A
Cited
US3159006A
Cited
GB921844A
Cited
US3175370A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-11-27 | 1971-05-29 | 1971-11-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-27 | 1975-05-29 | 1975-11-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-27 | 1979-05-29 | 1979-11-28 | $7700.00 | Window Closed / Lapsed |