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US2417883A
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US
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Welding shield
Assignee: Individual
•
Filing: 1943-12-15
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Granted: 1947-03-25
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Expires: 1963-12-15
Abstract
No abstract record available.
Inventors
- 👤 Oschin Samuel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 22:21
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/04; A61F9/06; A61F9/061; A61F9/062
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US942393A
Cited
US1822308A
Cited
US2036224A
Cited
US2058169A
Cited
US2064812A
Cited
US2186498A
Cited
US2337651A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-03-24 | 1950-09-23 | 1951-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-03-24 | 1954-09-23 | 1955-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-03-24 | 1958-09-23 | 1959-03-25 | $7700.00 | Window Closed / Lapsed |