US2850798A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of bonding zirconium
Assignee: Individual
•
Filing: 1954-05-03
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Granted: 1958-09-09
•
Expires: 1974-05-03
Abstract
No abstract record available.
Inventors
- 👤 Fred E Bowman
- 👤 Edward L Reed
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:48
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/24; B23K35/32; Y; Y10; Y10S; Y10S428/00; Y10S428/922; Y10S428/9335; Y10S428/939; Y10T; Y10T428/00; Y10T428/12; Y10T428/12493; Y10T428/12771; Y10T428/12806; Y10T428/12861; Y10T428/12951; Y10T428/12972
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
THE METHOD OF JOINING ZIRCONIUM TO FIRST TRANSITION SERIES METALS AND THEIR ALLOYS COMPRISING PLACING A ZIRCONIUM NUMBER IN OVERLAPPING RELATION WITH A FORST TRANSITION SERIES MEMBER AND, WHILE HOLDING SAID MEMBERS IN FIXED CONTCAT, HEATING SAID MEMBERS AT FROM 975* TO 1025*C. FOR APPROXIMATELY THREE TO SEVEN MINUTES WHEREBY AN INTERMETALLIC COMPOUND IS FORMED AT THE INTERFACE OF THE ZIRCONIUM AND TRANSITION METAL, SAID HEATING TAKING PLACE IN AN INERT ENVIRONMENT.
Claim 2
Independent Claim
72 words
THE METHOD OF JOINING ZIRCONIUM TO FIRST TRANSITION SERIES METALS AND THEIR ALLOYS COMPRISING PLACING A ZIRCONIUM NUMBER IN OVERLAPPING RELATION WITH A FORST TRANSITION SERIES MEMBER AND, WHILE HOLDING SAID MEMBERS IN FIXED CONTCAT, HEATING SAID MEMBERS AT FROM 975* TO 1025*C. FOR APPROXIMATELY THREE TO SEVEN MINUTES WHEREBY AN INTERMETALLIC COMPOUND IS FORMED AT THE INTERFACE OF THE ZIRCONIUM AND TRANSITION METAL, SAID HEATING TAKING PLACE IN AN INERT ENVIRONMENT.
References Cited (Backward Citations)
US2322507A
Cited
US1716195A
Cited
US2226944A
Cited
US2373117A
Cited
GB609035A
Cited
US2627110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-09-08 | 1962-03-10 | 1962-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-08 | 1966-03-10 | 1966-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-08 | 1970-03-10 | 1970-09-09 | $7700.00 | Window Closed / Lapsed |