Patent US1066623A successfully refreshed from Google Patents.
Patent US2732334A successfully refreshed from Google Patents.
US2732334A
Expired / Lapsed
US
⏱️ 0.0 years remaining
pollock
Assignee: —
•
Filing: —
•
Granted: 1956-01-24
•
Expires: 1973-01-24
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:40
CPC Classifications
C; C01; C01C; C01C1/00; C01C1/003; B; B65; B65G; B65G5/00; Y; Y02; Y02P; Y02P20/00; Y02P20/50
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
85 words
THE METHOD OF STORING LIQUIDS WHICH COMPRISES FORMING A STORAGE CAVERN IN AN EARTH FORMATION WHICH IS SOMEWHAT SOLUBLE IN THE LIQUID BEING STORED, PASSING LIQUID TO BE STORED INTO THE UNDERGROUND CAVERN, SUBSEQUENTLY REMOVING VAPOR OF SAID LIQUID FROM A REGION ABOVE THE SURFACE OF THE LIQUID WITHIN THE CAVERN, COMPRESSING SAID VAPOR, PASSING SAID COMPRESSED VAPOR IN HEAT EXCHANGE RELATIONSHIP WITH THE LIQUID IN THE CAVERN THEREBY TO CONDENSE SAID COMPRESSED VAPOR, AND REMOVING THE COMPRESSED VAPOR AS A LIQUID FROM THE CAVERN.
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) | 1959-01-23 | 1959-07-25 | 1960-01-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-01-23 | 1963-07-25 | 1964-01-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-01-23 | 1967-07-25 | 1968-01-24 | $7700.00 | Window Closed / Lapsed |