US2803114A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Underground storage system
Assignee: Phillips Petroleum Co
•
Filing: 1952-07-18
•
Granted: 1957-08-20
•
Expires: 1972-07-18
Abstract
No abstract record available.
Inventors
- 👤 Thomas B Hudson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:43
CPC Classifications
B; B65; B65G; B65G5/00; F; F17; F17C; F17C2270/00; F17C2270/01; F17C2270/0142; F17C2270/0144; F17C2270/0147; Y; Y10; Y10T; Y10T137/00; Y10T137/8593
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
112 words
IN AN UNDERGROUND STORAGE SYSTEM, IN COMBINATION, A PLURALITY OF SERIES OF UNDERGROUND CAVITIES IN FOR EACH SERIES OF CAVITIES OVERLYING ALL OF THE CAVITIES IN SUCH SERIES, A BYPASS VALUE IN EACH CONDUIT ABOVE EACH CAVITY, A VALVED LINE EXTENDING FROM A LOWER REGION OF EACH CAVITY TO A JUNCTION WITH THE ADJACENT CONDUIT AT ONE SIDE OF THE ADJACENT BYPASS VALVE, A VALVED PIPE EXTENDING FROM AN UPPER REGION OF EACH CAVITY TO A JUNCTION WITH THE ADJACENT CONDUIT AT THE OTHER SIDE OF THE ADJACENT BYPASSED VALVE, A FIRST HEADER COMMUNICATING WITH ONE END OF EACH CONDUIT, AND A SECOND HEADER COMMUNICATING WITH THE OTHER END OF EACH CONDUIT.
Claim 2
Dependent Claim
112 words
IN AN UNDERGROUND STORAGE SYSTEM, IN COMBINATION, A PLURALITY OF SERIES OF UNDERGROUND CAVITIES IN FOR EACH SERIES OF CAVITIES OVERLYING ALL OF THE CAVITIES IN SUCH SERIES, A BYPASS VALUE IN EACH CONDUIT ABOVE EACH CAVITY, A VALVED LINE EXTENDING FROM A LOWER REGION OF EACH CAVITY TO A JUNCTION WITH THE ADJACENT CONDUIT AT ONE SIDE OF THE ADJACENT BYPASS VALVE, A VALVED PIPE EXTENDING FROM AN UPPER REGION OF EACH CAVITY TO A JUNCTION WITH THE ADJACENT CONDUIT AT THE OTHER SIDE OF THE ADJACENT BYPASSED VALVE, A FIRST HEADER COMMUNICATING WITH ONE END OF EACH CONDUIT, AND A SECOND HEADER COMMUNICATING WITH THE OTHER END OF EACH CONDUIT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-19 | 1961-02-18 | 1961-08-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-19 | 1965-02-18 | 1965-08-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-19 | 1969-02-18 | 1969-08-20 | $7700.00 | Window Closed / Lapsed |