Patent US3302418A successfully refreshed from Google Patents.
US3302418A
Expired / Lapsed
US
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Method and apparatus for handling liquids
Assignee: Chemetron Corp
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Filing: 1965-07-06
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Granted: 1967-02-07
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Expires: 1985-07-06
Abstract
No abstract record available.
Inventors
- 👤 Frederick L Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 21:30
CPC Classifications
F; F17; F17C; F17C5/00; F17C5/02; F17C2201/00; F17C2201/01; F17C2201/0104; F17C2201/0109; F17C2203/00; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2205/00; F17C2205/03; F17C2205/0302; F17C2205/0323; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/03; F17C2223/033; F17C2227/00; F17C2227/01; F17C2227/0128; F17C2227/0135
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
51 words
APPARATUS FOR HANDLING CRYOGENIC LIQUIDS, COMPRISING: AN EJECTOR HAVING FIRST AND SECOND INLETS AND AN OUTLET, A PUMP FOR PUMPING LIQUID AT HIGH PRESSURE INTO SAID FIRST INLET, AND CONDUIT MEANS FOR CONDUCTING LIQUID FROM A LOW PRESSURE COMMON LIQUID SOURCE DIRECTLY TO SAID SECOND INLET AND DIRECTLY TO SAID PUMP.
Claim 2
Dependent Claim
51 words
APPARATUS FOR HANDLING CRYOGENIC LIQUIDS, COMPRISING: AN EJECTOR HAVING FIRST AND SECOND INLETS AND AN OUTLET, A PUMP FOR PUMPING LIQUID AT HIGH PRESSURE INTO SAID FIRST INLET, AND CONDUIT MEANS FOR CONDUCTING LIQUID FROM A LOW PRESSURE COMMON LIQUID SOURCE DIRECTLY TO SAID SECOND INLET AND DIRECTLY TO SAID PUMP.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |