US3083729A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydraulically operated manifold valve system
Assignee: Shell USA Inc
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Filing: 1960-12-01
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Granted: 1963-04-02
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Expires: 1980-12-01
Abstract
No abstract record available.
Inventors
- 👤 Jr Frank Poorman
- 👤 Carl W Lafitte
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:33
CPC Classifications
E; E21; E21B; E21B33/00; E21B33/02; E21B33/03; E21B33/06; E21B33/064; E21B33/035; E21B33/0355; E21B33/037; E21B33/0375; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86493; Y10T137/86574; Y10T137/8667; Y10T137/86694; Y10T137/8671
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
128 words
A HYDRAULIC SYSTEM COMPRISING A PLURALITY OF HYDRAULICALLY-OPERATED UNITS, A SOURCE OF HYDRAULIC PRESSURE FLUID, FIRST CONDUIT MEANS INTERCONNECTING SAID HYDRAULICALLY-OPERATED UNITS WITH SAID PRESSURE SOURCE, NORMALLY OPEN VALVE MEANS IN SAID FIRST CONDUIT AT A POINT ADJACENT TO SAID HYDRAULICALLY-OPERATED UNITS FOR CONTROLLING THE FLOW OF HYDRAULIC PRESSURE FLUID THERETO, INLET PORT MEANS IN SAID VALVE MEANS FOR RECEIVING THE OPEN END OF AUXILIARY HYDRAULIC PRESSURE CONDUIT MEANS ADAPTED TO BE INSERTED IN SAID VALVE MEANS REMOTELY, AND AUXILIARY HYDRAULIC PRESSURE CONDUIT MEANS REMOTELY INSERTABLE IN SAID INLET PORT MEANS IN COMMUNICATION BETWEEN SAID VALVE MEANS AND SAID FLUID PRESSURE SOURCE FOR BYPASSING SAID FIRST CONDUIT MEANS LEADING TO SAID VALVE MEANS WITH A PRESSURE FLUID TO ENERGIZE SAID HYDRAULICALLY-OPERATED UNITS AND TO OPERATE SAID VALVE MEANS.
Claim 2
Dependent Claim
128 words
A HYDRAULIC SYSTEM COMPRISING A PLURALITY OF HYDRAULICALLY-OPERATED UNITS, A SOURCE OF HYDRAULIC PRESSURE FLUID, FIRST CONDUIT MEANS INTERCONNECTING SAID HYDRAULICALLY-OPERATED UNITS WITH SAID PRESSURE SOURCE, NORMALLY OPEN VALVE MEANS IN SAID FIRST CONDUIT AT A POINT ADJACENT TO SAID HYDRAULICALLY-OPERATED UNITS FOR CONTROLLING THE FLOW OF HYDRAULIC PRESSURE FLUID THERETO, INLET PORT MEANS IN SAID VALVE MEANS FOR RECEIVING THE OPEN END OF AUXILIARY HYDRAULIC PRESSURE CONDUIT MEANS ADAPTED TO BE INSERTED IN SAID VALVE MEANS REMOTELY, AND AUXILIARY HYDRAULIC PRESSURE CONDUIT MEANS REMOTELY INSERTABLE IN SAID INLET PORT MEANS IN COMMUNICATION BETWEEN SAID VALVE MEANS AND SAID FLUID PRESSURE SOURCE FOR BYPASSING SAID FIRST CONDUIT MEANS LEADING TO SAID VALVE MEANS WITH A PRESSURE FLUID TO ENERGIZE SAID HYDRAULICALLY-OPERATED UNITS AND TO OPERATE SAID VALVE MEANS.
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) | 1966-04-01 | 1966-10-01 | 1967-04-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-01 | 1970-10-01 | 1971-04-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-01 | 1974-10-01 | 1975-04-02 | $7700.00 | Window Closed / Lapsed |