US3543387A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for the explosive welding of a metal plug to a metal tube or of nested portions of metal tubes to each other
Assignee: European Atomic Energy Community Euratom
•
Filing: 1968-11-08
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Granted: 1970-12-01
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Expires: 1988-11-08
Abstract
No abstract record available.
Inventors
- 👤 Paolo Golinelli
- 👤 Helmut Holtbecker
- 👤 Mario Montagnani
- 👤 Cardana Di Besozzo
- 👤 Joost Louis Remmerswaal
- 👤 Guido Verzeletti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 09:55
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/06; B23K20/08; B23K20/085; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49805; Y10T29/49806
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3036374A
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US3140537A
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US3238753A
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US3263323A
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US3364561A
Cited
US3434194A
Cited
US3491798A
Cited
US3455017A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-11-30 | 1974-06-01 | 1974-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-11-30 | 1978-06-01 | 1978-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-11-30 | 1982-06-01 | 1982-12-01 | $7700.00 | Window Closed / Lapsed |