Patent US2655585A successfully refreshed from Google Patents.
US2655585A
Expired / Lapsed
US
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Welding machine
Assignee: Dominion Bridge Co Ltd
•
Filing: 1950-06-29
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Granted: 1953-10-13
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Expires: 1970-06-29
Abstract
No abstract record available.
Inventors
- 👤 Braun Leo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:14
CPC Classifications
B; B23; B23K; B23K9/00; B23K9/02; B23K9/028
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1161366A
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US1566325A
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US2105079A
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US2189399A
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US2367257A
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US2390560A
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US2357376A
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US2438593A
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US2432495A
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US2460914A
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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) | 1956-10-12 | 1957-04-13 | 1957-10-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-10-12 | 1961-04-13 | 1961-10-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-10-12 | 1965-04-13 | 1965-10-13 | $7700.00 | Window Closed / Lapsed |