US2537207A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bimetallic billet
Assignee: Superior Steel Corp
•
Filing: 1950-05-26
•
Granted: 1951-01-09
•
Expires: 1970-05-26
Abstract
No abstract record available.
Inventors
- 👤 William A Carlson
- 👤 Walter A Keil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 16:51
CPC Classifications
B; B23; B23K; B23K20/00; B23P; B23P13/00; B23P13/02; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12229; Y10T428/12271; Y10T428/12486; Y10T428/12493; Y10T428/12639; Y10T428/12646; Y10T428/12653; Y10T428/12771; Y10T428/12861; Y10T428/12951; Y10T428/12972; Y10T428/12979
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
A BIMETALLIC BILLET COMPRISING A COMPONENT OF STEEL CONTAINING AT LEAST ABOUT .30% CARBON, A COMPONENT OF STRAIGHT CHROME TYPE STAINLESS STEEL CONTAINING AT LEAST ABOUT 10% CHROMIUM AND WELD MEANS WELDING THE COMPONENTS TOGETHET AND EXTENDING COMPLETELY PERIPHERALLY THEREABOUT TO EXCLUDE AIR FROM BETWEEN THE COMPONENTS, THE WELD MEANS HAVING AN INNER PORTION REMOTE FROM THE OUTSIDE SURFACE OF THE BILLET FORMING A RELATIVELY SHORT BOND BETWEEN THE COMPONENTS AND AN OUTER PORTION AT THE OUTSIDE SURFACE OF THE BILLET FORMING A RELATIVELY LONG BOND BETWEEN THE COMPONENTS AND COOPERATING WITH THE COMPONENTS TO COMPLETE ENCLOSE THE INNER PORTION OF THE WELD, THE OUTER PORTION OF THE WELD HAVING A ZONE AT ITS JUNCTION WITH THE FIRST MENTIONED COMPONENT IN WHICH CARBON IS PRESENT IN SUBSTANTIAL CONCENTRATION, A ZONE AT ITS JUNCTION WITH THE SECOND MENTIONED COMPONENT IN WHICH CHROMIUM IS PRESENT IN SUBSTANTIAL CONCENTRATION AND AN INTERMEDIATE ZONE OF STEEL CONTAINING NOT OVER ABOUT .15% CARBON AND FREE FROM A SUBSTANTIAL CONCENTRATION OF CARBON AND CHROMIUM SO THAT THE OUTER PORTION OF THE WELD MEANS IS SUFFICIENTLY DUCTILE TO WITHSTAND HEAT AND ROLLING OF THE BILLET WITHOUT CRACKING.
Claim 2
Dependent Claim
190 words
A BIMETALLIC BILLET COMPRISING A COMPONENT OF STEEL CONTAINING AT LEAST ABOUT .30% CARBON, A COMPONENT OF STRAIGHT CHROME TYPE STAINLESS STEEL CONTAINING AT LEAST ABOUT 10% CHROMIUM AND WELD MEANS WELDING THE COMPONENTS TOGETHET AND EXTENDING COMPLETELY PERIPHERALLY THEREABOUT TO EXCLUDE AIR FROM BETWEEN THE COMPONENTS, THE WELD MEANS HAVING AN INNER PORTION REMOTE FROM THE OUTSIDE SURFACE OF THE BILLET FORMING A RELATIVELY SHORT BOND BETWEEN THE COMPONENTS AND AN OUTER PORTION AT THE OUTSIDE SURFACE OF THE BILLET FORMING A RELATIVELY LONG BOND BETWEEN THE COMPONENTS AND COOPERATING WITH THE COMPONENTS TO COMPLETE ENCLOSE THE INNER PORTION OF THE WELD, THE OUTER PORTION OF THE WELD HAVING A ZONE AT ITS JUNCTION WITH THE FIRST MENTIONED COMPONENT IN WHICH CARBON IS PRESENT IN SUBSTANTIAL CONCENTRATION, A ZONE AT ITS JUNCTION WITH THE SECOND MENTIONED COMPONENT IN WHICH CHROMIUM IS PRESENT IN SUBSTANTIAL CONCENTRATION AND AN INTERMEDIATE ZONE OF STEEL CONTAINING NOT OVER ABOUT .15% CARBON AND FREE FROM A SUBSTANTIAL CONCENTRATION OF CARBON AND CHROMIUM SO THAT THE OUTER PORTION OF THE WELD MEANS IS SUFFICIENTLY DUCTILE TO WITHSTAND HEAT AND ROLLING OF THE BILLET WITHOUT CRACKING.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-01-08 | 1954-07-10 | 1955-01-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-01-08 | 1958-07-10 | 1959-01-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-01-08 | 1962-07-10 | 1963-01-09 | $7700.00 | Window Closed / Lapsed |