US3401025A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bonded article comprising two metallic members joined by an intermediate layer
Assignee: Boeing Co
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Filing: 1965-10-01
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Granted: 1968-09-10
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Expires: 1985-10-01
Abstract
No abstract record available.
Inventors
- 👤 John B Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:43
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/001; Y; Y10; Y10T; Y10T428/00; Y10T428/12; Y10T428/12014; Y10T428/12028; Y10T428/12063; Y10T428/12069; Y10T428/12104; Y10T428/12111; Y10T428/12139; Y10T428/12493; Y10T428/12986; Y10T428/24; Y10T428/24149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
A BONDED ARTICLE COMPRISING TWO METALLIC MEMBERS JOINED BY AN INTERMEDIATE LAYER; SAID INTERMEDIATE LAYER COMPRISING A RESIDUE OBTAINED BY FUSING A CERAMIC MATERIAL AND A BRAZING MATERIAL; SAID CERAMIC MATERIAL INCLUDING ALKALINE BOROSILICATE IN AN EFFECTIVE AMOUNT TO PERMIT BONDING TO THE MEMBERS; SAID BRAZING MATERIAL HAVING A MAJOR INGREDIENT SELECTED FROM THE GROUP CONSISTING OF NOBLE METAL ALLOYS AND NICKEL BASE ALLOYS AND A MINOR INGREDIENT CAPABLE OF WETTING AND BONDING TO THE CERAMIC MATERIAL; SAID MINOR INGREDIENT BEING SELECTED FROM THE GROUP CONSISTING OF INDIUM, LITHIUM, TITANIUM, IRON, MANGANESE, METALLOIDS AND MIXTURES THEREOF.
Claim 2
Dependent Claim
96 words
A BONDED ARTICLE COMPRISING TWO METALLIC MEMBERS JOINED BY AN INTERMEDIATE LAYER; SAID INTERMEDIATE LAYER COMPRISING A RESIDUE OBTAINED BY FUSING A CERAMIC MATERIAL AND A BRAZING MATERIAL; SAID CERAMIC MATERIAL INCLUDING ALKALINE BOROSILICATE IN AN EFFECTIVE AMOUNT TO PERMIT BONDING TO THE MEMBERS; SAID BRAZING MATERIAL HAVING A MAJOR INGREDIENT SELECTED FROM THE GROUP CONSISTING OF NOBLE METAL ALLOYS AND NICKEL BASE ALLOYS AND A MINOR INGREDIENT CAPABLE OF WETTING AND BONDING TO THE CERAMIC MATERIAL; SAID MINOR INGREDIENT BEING SELECTED FROM THE GROUP CONSISTING OF INDIUM, LITHIUM, TITANIUM, IRON, MANGANESE, METALLOIDS AND MIXTURES THEREOF.
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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |