Patent US3059096A successfully refreshed from Google Patents.
US3059096A
Expired / Lapsed
US
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In-process butt-welding apparatus
Assignee: American Pipe and Construction Co
•
Filing: 1960-03-28
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Granted: 1962-10-16
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Expires: 1980-03-28
Abstract
No abstract record available.
Inventors
- 👤 Adolf G Butler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:46
CPC Classifications
B; B21; B21B; B21B15/00; B21B15/0085; B23; B23K; B23K11/00; B23K11/002; B23K11/0073
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) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |