Patent US3214153A successfully refreshed from Google Patents.
US3214153A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cooling water supply system
Assignee: WC Heraus GmbH and Co KG
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Filing: 1963-11-15
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Granted: 1965-10-26
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Expires: 1983-11-15
Abstract
No abstract record available.
Inventors
- 👤 Hauff Alfred
- 👤 Scheidig Helmut
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:16
CPC Classifications
F; F27; F27B; F27B5/00; F27B5/04; C; C22; C22B; C22B4/00; F27D; F27D11/00; F27D11/08; Y; Y10; Y10S; Y10S266/00; Y10S266/90; Y10S266/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
140 words
A COLLING WATER SUPPLY SYSTEM FOR THE CRUCIBLE OF A VACUUM FURNACE, COMPRISING AN INTEGRAL UNIT INCLUDING (1) A COOLING VESSEL ADAPTED FOR CONTAINING AND SURROUNDING THE CRUCIBLE, (2) A COOLING WATER FEED LINE HAVING A COOLING WATER INLET AND AN OUTLET CONNECTED TO SAID VESSEL, (3) A COOLING WATER RETURN LINE HAVING A COOLING WATER OUTLET AND AN INLET CONNECTED TO SAID VESSEL, (4) A WATER SHUT-OFF MEANS MOUNTED AT THE COOLING WATER INLET OF THE FEED LINE, (5) A WATER SHUT-OFF MEANS MOUNTED AT THE COOLING WATER OUTLET OF THE RETURN LINE, (6) A CONNECTING LINE BETWEEN THE RETURN AND FEED LINES, (7) A CIRCULATING PUMP IN SAID CONNECTING LINE FOR CONTINUOUSLY CIRCULATING COOLING WATER FROM THE RETURN LINE INTO THE FEED LINE; AND (8) A SUPPLY OF COOLING WATER CONNECTABLE TO THE INLET OF THE FEED LINE.
Claim 2
Dependent Claim
140 words
A COLLING WATER SUPPLY SYSTEM FOR THE CRUCIBLE OF A VACUUM FURNACE, COMPRISING AN INTEGRAL UNIT INCLUDING (1) A COOLING VESSEL ADAPTED FOR CONTAINING AND SURROUNDING THE CRUCIBLE, (2) A COOLING WATER FEED LINE HAVING A COOLING WATER INLET AND AN OUTLET CONNECTED TO SAID VESSEL, (3) A COOLING WATER RETURN LINE HAVING A COOLING WATER OUTLET AND AN INLET CONNECTED TO SAID VESSEL, (4) A WATER SHUT-OFF MEANS MOUNTED AT THE COOLING WATER INLET OF THE FEED LINE, (5) A WATER SHUT-OFF MEANS MOUNTED AT THE COOLING WATER OUTLET OF THE RETURN LINE, (6) A CONNECTING LINE BETWEEN THE RETURN AND FEED LINES, (7) A CIRCULATING PUMP IN SAID CONNECTING LINE FOR CONTINUOUSLY CIRCULATING COOLING WATER FROM THE RETURN LINE INTO THE FEED LINE; AND (8) A SUPPLY OF COOLING WATER CONNECTABLE TO THE INLET OF THE FEED LINE.
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) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |