US2362388A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and apparatus for welding
Assignee: Acme Steel Co
•
Filing: 1941-09-19
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Granted: 1944-11-07
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Expires: 1961-09-19
Abstract
No abstract record available.
Inventors
- 👤 Chester M Macchesney
- 👤 Schroeder William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 02:13
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/08; B23K11/087
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1947-11-07 | 1948-05-08 | 1948-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1951-11-07 | 1952-05-08 | 1952-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1955-11-07 | 1956-05-08 | 1956-11-07 | $7700.00 | Window Closed / Lapsed |