US3350179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Brazing preform
Assignee: Carrier Corp
•
Filing: 1966-08-30
•
Granted: 1967-10-31
•
Expires: 1986-08-30
Abstract
No abstract record available.
Inventors
- 👤 Randolph N Stenerson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 00:30
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/02; B23K35/0222; B23K35/0244; B23K35/22; B23K35/24; B23K35/30; B23K35/3033; B23K35/36; B23K35/3601; B23K35/3607; C; C03; C03C; C03C3/00; C03C3/04; C03C3/076; C03C3/089; C22; C22C; C22C19/00; C22C19/007
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
64 words
A BRAZING PREFORM COMPRISING A SHAPED AGGREGATE HAVING A FINELY DIVIDED BRAZING METAL POWDER SUSPENDED IN AN INORGANIC, FIXED GLASS MATRIX, SAID BRAZING METAL HAVING A LIQUIDUS TEMPERATURE ABOVE THE SOFTENING POINT OF THE GLASS MATRIX; AND SAID PREFORM HAVING A CONFIGURATION TO ENABLE THE PREFORM TO BE POSITIONED ADJACENT TO THE MEMBERS OF A JOINT TO BE FORMED BY HEATING OF SAID PREFORM.
Claim 2
Dependent Claim
64 words
A BRAZING PREFORM COMPRISING A SHAPED AGGREGATE HAVING A FINELY DIVIDED BRAZING METAL POWDER SUSPENDED IN AN INORGANIC, FIXED GLASS MATRIX, SAID BRAZING METAL HAVING A LIQUIDUS TEMPERATURE ABOVE THE SOFTENING POINT OF THE GLASS MATRIX; AND SAID PREFORM HAVING A CONFIGURATION TO ENABLE THE PREFORM TO BE POSITIONED ADJACENT TO THE MEMBERS OF A JOINT TO BE FORMED BY HEATING OF SAID PREFORM.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
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Cited
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Cited
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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) | 1970-10-30 | 1971-05-01 | 1971-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-30 | 1975-05-01 | 1975-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-30 | 1979-05-01 | 1979-10-31 | $7700.00 | Window Closed / Lapsed |