US2483008A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Proofing proteinaceous fibers against biological attack
Assignee: Tewin Ind Inc
•
Filing: 1944-12-21
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Granted: 1949-09-27
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Expires: 1964-12-21
Abstract
No abstract record available.
Inventors
- 👤 Higgins Eric Berkeley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 14:32
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/152; D06M13/156; D06M11/00; D06M11/32; D06M11/36; D06M11/48; D06M15/00; D06M15/01; D06M15/15; D06M15/155; D06M16/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1085783A
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US1618416A
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US2157113A
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US2174475A
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US2186134A
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US2196988A
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US2292423A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1952-09-26 | 1953-03-28 | 1953-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1956-09-26 | 1957-03-28 | 1957-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1960-09-26 | 1961-03-28 | 1961-09-27 | $7700.00 | Window Closed / Lapsed |