Patent US5263154A successfully refreshed from Google Patents.
US2728107A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Atomizing aluminum
Assignee: Dow Chemical Co
•
Filing: 1953-09-18
•
Granted: 1955-12-27
•
Expires: 1973-09-18
Abstract
No abstract record available.
Inventors
- 👤 Gordon F Hershey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:54
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F9/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
THE METHOD OF ATOMIZING ALUMINUM AND ALUMINUM ALLOYS WHICH COMPRISES MAINTAINING A BODY OF THE METAL IN THE MOLTEN STATE AT A TEMPERATURE BETWEEN 675* AND 800* C. LETTING THE MOLTEN METAL FALL A DISTANCE OF 1 1/2 TO 14 INCHES IN A THIN SOLID STREAM ONTO A RAPIDLY REVOLVING DISC HAVING A SURFACE COMPRISING CARBON, THE SURFACE OF THE SAID DISC HAVING A TEMPERATURE ABOVE THE MELTING POINT OF THE METAL, WHILE MAINTAINING ABOUT THE DISC A NEUTRAL ATMOSPHERE HAING A TEMPERATURE BELOW THE METALING POINT OF THE METAL.
Claim 2
Independent Claim
90 words
THE METHOD OF ATOMIZING ALUMINUM AND ALUMINUM ALLOYS WHICH COMPRISES MAINTAINING A BODY OF THE METAL IN THE MOLTEN STATE AT A TEMPERATURE BETWEEN 675* AND 800* C. LETTING THE MOLTEN METAL FALL A DISTANCE OF 1 1/2 TO 14 INCHES IN A THIN SOLID STREAM ONTO A RAPIDLY REVOLVING DISC HAVING A SURFACE COMPRISING CARBON, THE SURFACE OF THE SAID DISC HAVING A TEMPERATURE ABOVE THE MELTING POINT OF THE METAL, WHILE MAINTAINING ABOUT THE DISC A NEUTRAL ATMOSPHERE HAING A TEMPERATURE BELOW THE METALING POINT OF THE METAL.
References Cited (Backward Citations)
US1498717A
Cited
US2061696A
Cited
GB510320A
Cited
US2488353A
Cited
US2439772A
Cited
US2551452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-12-26 | 1959-06-27 | 1959-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-12-26 | 1963-06-27 | 1963-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-12-26 | 1967-06-27 | 1967-12-27 | $7700.00 | Window Closed / Lapsed |