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US2738548A Expired / Lapsed US ⏱️ 0.0 years remaining

Method and apparatus for manufacture of metallic pellets

Assignee: Universal Oil Products Co
•
Filing: 1952-04-19
•
Granted: 1956-03-20
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Expires: 1972-04-19
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Abstract

No abstract record available.

Inventors

  • 👤 Louis S Kassel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 15:47
CPC Classifications
B; B22; B22F; B22F9/00; B22F9/02; B22F9/06; B22F9/08; B22F1/00; B22F1/06; B22F1/065

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 38 words
A METHOD FOR PRODUCING METAL PELLETS WHICH COMPRISES PASSING SUCCESSIVE GLOBULES OF MOLTEN METAL DOWNWARDLY THROUGH THE OPEN SPACE WITHIN A CLOSELY CONFINING DOWNWARDLY MOVING, VERTICALLY ELONGATED TUBULAR FILM OF COOLING LIQUID, COOLING AND SOLIDIFYING THE GLOBULES DUR-
Claim 2
Independent Claim 38 words
A METHOD FOR PRODUCING METAL PELLETS WHICH COMPRISES PASSING SUCCESSIVE GLOBULES OF MOLTEN METAL DOWNWARDLY THROUGH THE OPEN SPACE WITHIN A CLOSELY CONFINING DOWNWARDLY MOVING, VERTICALLY ELONGATED TUBULAR FILM OF COOLING LIQUID, COOLING AND SOLIDIFYING THE GLOBULES DUR-

References Cited (Backward Citations)

US251092A Cited
US496044A Cited
US1393383A Cited
US1837869A Cited
US2195960A Cited
US2209519A Cited
US2230617A Cited
US2394727A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-03-20 1959-09-19 1960-03-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-03-20 1963-09-19 1964-03-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-03-20 1967-09-19 1968-03-20 $7700.00 Window Closed / Lapsed

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