US3557624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Device and method for sampling molten metal
Assignee: Individual
•
Filing: 1969-03-25
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Granted: 1971-01-26
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Expires: 1989-03-25
Abstract
Abstract A MOLTEN METAL SAMPLING DEVICE HAVING A TUBULAR HOUSING ADAPTED TO BE DIPPED INTO A MOLTEN METAL POOL AND ABLE TO WITHSTAND THE HIGH TEMPERATURES FOR AT LEAST A SHORT PERIOD. A RECEIVER FOR THE SAMPLE IS HELD WITHIN THE HOUSING AND EXTENDS BEYOND THE LOWER END THEREOF. THE INVENTION INVOLVES AN ADDITIONAL SHEATH EMBRACING THE HOUSING AND EXTENDING BEYOND THE LOWER END THEREOF AND BEYOND THE LOWER END OF THE RECEIVER FORMING AN AIR-SPACE FOR PROTECTING THE LOWER ENDS OF THE TWO ELEMENTS.
Inventors
- 👤 William J Collins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 02:10
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/10; G01N1/12; G01N1/125; Y; Y10; Y10S; Y10S73/00; Y10S73/09
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-25 | 1974-07-27 | 1975-01-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-25 | 1978-07-27 | 1979-01-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-25 | 1982-07-27 | 1983-01-26 | $7700.00 | Window Closed / Lapsed |