US3279214A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pump
Assignee: Max-Planck-Gesellschaft zur Förderung der Wissenschaften eV
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Filing: 1964-09-15
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Granted: 1966-10-18
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Expires: 1984-09-15
Abstract
No abstract record available.
Inventors
- 👤 Klipping Gustav
- 👤 Mascher Werner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 01:13
CPC Classifications
F; F04; F04B; F04B37/00; F04B37/06; F04B37/08; F17; F17C; F17C3/00; F17C3/02; F17C3/08; F17C3/085; F25; F25B; F25B9/00; F25B9/02; F17C2201/00; F17C2201/01; F17C2201/0128; F17C2203/00; F17C2203/03; F17C2203/06; F17C2203/0602; F17C2203/0612; F17C2203/0626; F17C2203/0629; F17C2223/00; F17C2223/01; F17C2223/0146; F17C2223/0153; F17C2223/0161; F17C2223/04; F17C2223/042; F17C2223/046; F17C2223/047
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
57 words
IN A CRYOPUMP, THE COMBINATION WHICH COMPRISES: HELICAL TUBING FORMING A HOLLOW CYLINDER; A HOLLOW HEADER IN THE FORM OF A PLATE PROVIDED WITH CHANNELING THEREIN ARRANGED INTERIORLY OF SAID CYLINDER; CONDUIT MEANS SERIALLY CONNECTING SAID TUBING AND SAID HEADER; AND MEANS FOR CIRCULATING A COOLANT TO THE SERIES-CONNECTION FORMED BY SAID SERIALLY CONNECTED TUBING AND HEADER.
Claim 2
Dependent Claim
57 words
IN A CRYOPUMP, THE COMBINATION WHICH COMPRISES: HELICAL TUBING FORMING A HOLLOW CYLINDER; A HOLLOW HEADER IN THE FORM OF A PLATE PROVIDED WITH CHANNELING THEREIN ARRANGED INTERIORLY OF SAID CYLINDER; CONDUIT MEANS SERIALLY CONNECTING SAID TUBING AND SAID HEADER; AND MEANS FOR CIRCULATING A COOLANT TO THE SERIES-CONNECTION FORMED BY SAID SERIALLY CONNECTED TUBING AND HEADER.
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) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |