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US2644159A
Expired / Lapsed
US
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Face and eye protective shield for welders
Assignee: JACOBS WIND ELECTRIC Co
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Filing: 1951-09-17
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Granted: 1953-07-07
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Expires: 1971-09-17
Abstract
No abstract record available.
Inventors
- 👤 Joseph H Jacobs
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 12:40
CPC Classifications
A; A61; A61F; A61F9/00; A61F9/04; A61F9/06; A61F9/064
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1861797A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-07-06 | 1957-01-05 | 1957-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-07-06 | 1961-01-05 | 1961-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-07-06 | 1965-01-05 | 1965-07-07 | $7700.00 | Window Closed / Lapsed |