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US2966735A Expired / Lapsed US ⏱️ 0.0 years remaining

Aluminum base alloy powder product

Assignee: Alcoa Corp
•
Filing: 1958-03-27
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Granted: 1961-01-03
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Expires: 1978-03-27
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Abstract

No abstract record available.

Inventors

  • 👤 Raymond J Towner
  • 👤 Jr John P Lyle

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 23:29
CPC Classifications
C; C22; C22C; C22C1/00; C22C1/04; C22C1/0408; C22C1/0416; Y; Y10; Y10S; Y10S75/00; Y10S75/95

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 131 words
A HOT WORKED ALUMINUM BASE POWDER ARTICLE FREE FROM ALUMINUM OXIDE EXCEPT AS AN INCIDENTAL IMPURITY AND HAVING A MAXIMUM IRON CONTENT OF 1%, SAID HOT WORKED POWDER ARTICLE BEING FORMED FROM ATOMIZED POWDER OF ALUMINUM BASE ALLOY CONTAINING AT LEAST 70% BY WEIGHT OF ALUMINUM AND FROM 1.0 TO 15% BY WEIGHT OF TITANIUM AS THE ESSENTIAL COMPONENT, THE AMOUNT OF SAID COMPONENT EXCEEDING THE TOTAL QUANTITY OF ANY HARDENING ELEMENTS PRESENT IN THE ALLOY, SAID ALLOY BEING SUBSTANTIALLY FREE FROM ELEMENTS WHICH FORM A SOLID SOLUTION WITH ALUMINUM, EXCEPT AS THEY OCCUR AS IMPURITIES, SAID HOT WORKED ARTICLE BEING CHARACTERIZED IN THE AS-WORKED CONDITION BY A TENSILE STRENGTH AT 600*F. AFTER A 100 HOUR EXPOSURE OF NOT LESS THAN 10,000 P.S.I, THE YIELD STRENGTH NOT LESS THAN 9,000 P.S.I.
Claim 2
Dependent Claim 131 words
A HOT WORKED ALUMINUM BASE POWDER ARTICLE FREE FROM ALUMINUM OXIDE EXCEPT AS AN INCIDENTAL IMPURITY AND HAVING A MAXIMUM IRON CONTENT OF 1%, SAID HOT WORKED POWDER ARTICLE BEING FORMED FROM ATOMIZED POWDER OF ALUMINUM BASE ALLOY CONTAINING AT LEAST 70% BY WEIGHT OF ALUMINUM AND FROM 1.0 TO 15% BY WEIGHT OF TITANIUM AS THE ESSENTIAL COMPONENT, THE AMOUNT OF SAID COMPONENT EXCEEDING THE TOTAL QUANTITY OF ANY HARDENING ELEMENTS PRESENT IN THE ALLOY, SAID ALLOY BEING SUBSTANTIALLY FREE FROM ELEMENTS WHICH FORM A SOLID SOLUTION WITH ALUMINUM, EXCEPT AS THEY OCCUR AS IMPURITIES, SAID HOT WORKED ARTICLE BEING CHARACTERIZED IN THE AS-WORKED CONDITION BY A TENSILE STRENGTH AT 600*F. AFTER A 100 HOUR EXPOSURE OF NOT LESS THAN 10,000 P.S.I, THE YIELD STRENGTH NOT LESS THAN 9,000 P.S.I.

References Cited (Backward Citations)

US2062329A Cited
US2188203A Cited
US2287251A Cited
US2809891A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1964-01-03 1964-07-04 1965-01-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1968-01-03 1968-07-04 1969-01-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1972-01-03 1972-07-04 1973-01-03 $7700.00 Window Closed / Lapsed

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