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US3010010A
Expired / Lapsed
US
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Apparatus for use in depositing weld metal as spiral, partially overlapping courses on the interior of a shell
Assignee: Chicago Bridge and Iron Co
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Filing: 1959-01-22
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Granted: 1961-11-21
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Expires: 1979-01-22
Abstract
No abstract record available.
Inventors
- 👤 Charles E Jackson
- 👤 Gerald A Snow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:12
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/04; B23K9/044; B23K9/046
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-20 | 1965-05-22 | 1965-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-20 | 1969-05-22 | 1969-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-20 | 1973-05-22 | 1973-11-21 | $7700.00 | Window Closed / Lapsed |