← Back to Patent Explorer
US3134669A Expired / Lapsed US ⏱️ 0.0 years remaining

Copper base alloys containing manganese and aluminium

Assignee: Lips N V Drunen
•
Filing: 1962-06-11
•
Granted: 1964-05-26
•
Expires: 1982-06-11
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

No abstract record available.

Inventors

  • 👤 Putter Warner Jan De
  • 👤 Knuvers Gerardus Petrus

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 03:48
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/05

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 66 words
A COPPER BASE ALLOY CONTAINING MANGANESE AND ALUMINIUM, HAVING THE FOLLOWING COMPOSITION: 1 TO 9% OF IRON, UP TO 7% NICKEL, UP TO 7% COBALT, NICKEL AND COBALT TOGETHER NOT MORE THAN 7%, THE PRECEEDING ELEMENTS TOGETHER 3 TO 14% OF THE TOTAL WEIGHT, 3 TO 9% OF ALUMINIUM, 17 TO 21% MANAGANESE, 1 TO 7% OF ZINC, WITH THE BALANCE BEING COPPER AND INCIDENTAL IMPURITIES.
Claim 2
Dependent Claim 66 words
A COPPER BASE ALLOY CONTAINING MANGANESE AND ALUMINIUM, HAVING THE FOLLOWING COMPOSITION: 1 TO 9% OF IRON, UP TO 7% NICKEL, UP TO 7% COBALT, NICKEL AND COBALT TOGETHER NOT MORE THAN 7%, THE PRECEEDING ELEMENTS TOGETHER 3 TO 14% OF THE TOTAL WEIGHT, 3 TO 9% OF ALUMINIUM, 17 TO 21% MANAGANESE, 1 TO 7% OF ZINC, WITH THE BALANCE BEING COPPER AND INCIDENTAL IMPURITIES.

References Cited (Backward Citations)

US1962606A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1967-05-26 1967-11-25 1968-05-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1971-05-26 1971-11-25 1972-05-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1975-05-26 1975-11-25 1976-05-26 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag