US3065536A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pressure welding using cooling contraction to press member ends together
Assignee: Combustion Engineering Inc
•
Filing: 1957-10-02
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Granted: 1962-11-27
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Expires: 1977-10-02
Abstract
No abstract record available.
Inventors
- 👤 Edward C Chapman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:31
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/02; B23K20/028
Claims Analysis
Total Claims: 0
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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) | 1965-11-26 | 1966-05-28 | 1966-11-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-26 | 1970-05-28 | 1970-11-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-26 | 1974-05-28 | 1974-11-27 | $7700.00 | Window Closed / Lapsed |