US2477211A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Welding system
Assignee: Taylor Winfield Corp
•
Filing: 1943-12-16
•
Granted: 1949-07-26
•
Expires: 1963-12-16
Abstract
No abstract record available.
Inventors
- 👤 Clyde E Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 19:14
CPC Classifications
B; B23; B23K; B23K11/00; B23K11/24; B23K11/248
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2113664A
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US2082644A
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US2092545A
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US2175841A
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US2147468A
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US2221576A
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US2315916A
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US2329122A
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US2356859A
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US2406429A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-07-25 | 1953-01-24 | 1953-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-07-25 | 1957-01-24 | 1957-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-07-25 | 1961-01-24 | 1961-07-26 | $7700.00 | Window Closed / Lapsed |