Patent US3213532A successfully refreshed from Google Patents.
US3213532A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming titanium and aluminum seals
Assignee: Westinghouse Electric Corp
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Filing: 1961-04-03
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Granted: 1965-10-26
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Expires: 1981-04-03
Abstract
No abstract record available.
Inventors
- 👤 Harold K Glaser
- 👤 Louis A Lupica
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 21:57
CPC Classifications
C; C23; C23C; C23C26/00; C23C26/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
103 words
THE METHOD OF FORMING A COATING OF ALUMINUM OR AN ALUMINUM BASE ALLOY ON A MEMBER OF TITANIUM OR A TITANIUM BASE ALLOY COMPRISING THE STEPS OF: PLACING A FIRST MEMBER OF A FIRST MATERIAL SELECTED FRM THE GROUP CONSISTING OF ALUMINUM AND BASE ALLOYS THEREOF NEAR THE SURFACE OF A SECOND MEMBER OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND BASE ALLOYS THEREOF; AND RF INDUCTION HEATING SAID FIRST MEMBER IN AN INERT ATMOSPHERE TO A TEMPERATURE OF AT LEAST ABOUT 800*C. TO CAUSE SAID FIRST MATERIAL TO FLOW UPON AND TO WET THE SURFACE OF SAID SECOND MEMBER.
Claim 2
Independent Claim
103 words
THE METHOD OF FORMING A COATING OF ALUMINUM OR AN ALUMINUM BASE ALLOY ON A MEMBER OF TITANIUM OR A TITANIUM BASE ALLOY COMPRISING THE STEPS OF: PLACING A FIRST MEMBER OF A FIRST MATERIAL SELECTED FRM THE GROUP CONSISTING OF ALUMINUM AND BASE ALLOYS THEREOF NEAR THE SURFACE OF A SECOND MEMBER OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND BASE ALLOYS THEREOF; AND RF INDUCTION HEATING SAID FIRST MEMBER IN AN INERT ATMOSPHERE TO A TEMPERATURE OF AT LEAST ABOUT 800*C. TO CAUSE SAID FIRST MATERIAL TO FLOW UPON AND TO WET THE SURFACE OF SAID SECOND MEMBER.
Claim 3
Independent Claim
47 words
THE METHOD OF FORMING A TITANIUM TO ALUMINUM SEAL COMPRISING THE STEPS OF: PLACING A FIRST MEMBER OF A FIRST MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND BASE ALLOYS THEREOF NEAR THE SURFACE OF A SECOND MEMBER OF A MATERIAL SELECTED FROM THE GROUP CONSISTING
Claim 4
Independent Claim
47 words
THE METHOD OF FORMING A TITANIUM TO ALUMINUM SEAL COMPRISING THE STEPS OF: PLACING A FIRST MEMBER OF A FIRST MATERIAL SELECTED FROM THE GROUP CONSISTING OF ALUMINUM AND BASE ALLOYS THEREOF NEAR THE SURFACE OF A SECOND MEMBER OF A MATERIAL SELECTED FROM THE GROUP CONSISTING
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |