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Patent US2558416A successfully refreshed from Google Patents.
US2558416A
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US
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Assignee: Individual
•
Filing: 1947-03-03
•
Granted: 1951-06-26
•
Expires: 1967-03-03
Abstract
No abstract record available.
Inventors
- 👤 Brack Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 03:24
CPC Classifications
A; A47; A47B; A47B46/00; A47B46/005
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US943443A
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US1038974A
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US1106311A
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US1188847A
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US1225797A
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US1200821A
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US1247306A
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US1369303A
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US2085479A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-06-25 | 1954-12-25 | 1955-06-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-06-25 | 1958-12-25 | 1959-06-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-06-25 | 1962-12-25 | 1963-06-26 | $7700.00 | Window Closed / Lapsed |