US3592636A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of alloys
Assignee: Groove and Welter
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Filing: 1968-10-28
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Granted: 1971-07-13
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Expires: 1988-10-28
Abstract
Abstract THIS INVENTION RELATES TO THE INTRODUCTION OF A CONTROLLED QUANITY OF A HIGH MELTING COMPONENT INTO A MELT OF A LOW MELTING BASE METAL. THIS IS EFFECTED BY FEEDING A ROD OF THE HIGH MELTING COMPONENT INTO THE ABOVE MELT, WHILE THE SAID ROD IS SUBJECTED TO A SONIC VIBRATION, AND AT THE SAME TIME, THAT PORTION OF THE ROD PROTRUDING ABOVE THE LEVEL OF THE MELT IF COOLED. THIS MELT ENSURE THAT THE MANUFACTURE OF ALLOYS IS EFFECTED WITH GREAT ACCURACY, SIMPLICITY AND ECONOMY.
Inventors
- 👤 Reimar Pohlman
- 👤 Klaus Groove
- 👤 Walter Fichtl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:00
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/02
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) | 1974-07-12 | 1975-01-11 | 1975-07-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-12 | 1979-01-11 | 1979-07-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-12 | 1983-01-11 | 1983-07-13 | $7700.00 | Window Closed / Lapsed |