US2446864A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition and process for imparting durable water repellent finish to textiles
Assignee: QUAKER CHEMICAL PRODUCTS CORP
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Filing: 1944-06-26
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Granted: 1948-08-10
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Expires: 1964-06-26
Abstract
No abstract record available.
Inventors
- 👤 Abrams Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:15
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/322; D06M13/402; D06M13/432; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2165265A
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US2275008A
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US2248696A
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US2342641A
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US2346041A
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US2344926A
Cited
US2357273A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-08-10 | 1952-02-09 | 1952-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-08-10 | 1956-02-09 | 1956-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-08-10 | 1960-02-09 | 1960-08-10 | $7700.00 | Window Closed / Lapsed |