US2059236A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of machining by electric current
Assignee: Electric Arc Cutting & Welding
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Filing: 1932-08-13
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Granted: 1936-11-03
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Expires: 1952-08-13
Abstract
No abstract record available.
Inventors
- 👤 Claude J Holslag
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 11:26
CPC Classifications
B; B23; B23K; B23K9/00; Y; Y10; Y10S; Y10S451/00; Y10S451/908; Y10T; Y10T409/00; Y10T409/30; Y10T82/00; Y10T82/10
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) | 1939-11-03 | 1940-05-04 | 1940-11-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-11-03 | 1944-05-04 | 1944-11-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-11-03 | 1948-05-04 | 1948-11-03 | $7700.00 | Window Closed / Lapsed |