US2791827A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming a cladding plate
Assignee: Chicago Bridge and Iron Co
•
Filing: 1951-06-06
•
Granted: 1957-05-14
•
Expires: 1971-06-06
Abstract
No abstract record available.
Inventors
- 👤 Lloyd C Stiles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:38
CPC Classifications
B; B23; B23K; B23K20/00; B23K20/04
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) | 1960-05-13 | 1960-11-12 | 1961-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-05-13 | 1964-11-12 | 1965-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-05-13 | 1968-11-12 | 1969-05-14 | $7700.00 | Window Closed / Lapsed |