Patent US4514681A successfully refreshed from Google Patents.
Patent US3293742A successfully refreshed from Google Patents.
US3293742A
Expired / Lapsed
US
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Method of percussive welding
Assignee: AT&T Inc
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Filing: 1964-12-03
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Granted: 1966-12-27
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Expires: 1984-12-03
Abstract
No abstract record available.
Inventors
- 👤 George F Chmelik
- 👤 Jr John Danaczko
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 00:54
CPC Classifications
B; B23; B23K; B23K35/00; B23K35/22; B23K35/224; B23K35/36; B23K35/3612
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A METHOD OF PERCUSSIVELY WELDING AN ARTICLE TO AN OBJECT WHICH COMPRISES THE STEPS OF: APPLYING AT LEAST TO A SELECTED CONDUCTIVE SURFACE AREA OF THE OBJECT A WELDING FLUX WHICH CONSISTS ESSENTIALLY OF A LIQUID POLYOXYETHYLATED-NONYLPHENOL AND A SUITABLE AGENT FOR ADJUSTING THE VISCOSITY OF THE FLUX TO A RANGE WHEREIN THE FLUX PROVIDES A THICK, UNIFORM COATING OVER THE SURFACES OF THE OBJECT TO WHICH THE FLUX IS APPLIED; AND
Claim 2
Independent Claim
72 words
A METHOD OF PERCUSSIVELY WELDING AN ARTICLE TO AN OBJECT WHICH COMPRISES THE STEPS OF: APPLYING AT LEAST TO A SELECTED CONDUCTIVE SURFACE AREA OF THE OBJECT A WELDING FLUX WHICH CONSISTS ESSENTIALLY OF A LIQUID POLYOXYETHYLATED-NONYLPHENOL AND A SUITABLE AGENT FOR ADJUSTING THE VISCOSITY OF THE FLUX TO A RANGE WHEREIN THE FLUX PROVIDES A THICK, UNIFORM COATING OVER THE SURFACES OF THE OBJECT TO WHICH THE FLUX IS APPLIED; AND
References Cited (Backward Citations)
US2485790A
Cited
US3118048A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-26 | 1970-06-27 | 1970-12-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-26 | 1974-06-27 | 1974-12-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-26 | 1978-06-27 | 1978-12-27 | $7700.00 | Window Closed / Lapsed |