Patent US1937544A successfully refreshed from Google Patents.
US1937544A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of delustering knit fabric and product thereof
Assignee: Celanese Corp
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Filing: 1929-01-21
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Granted: 1933-12-05
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Expires: 1949-01-21
Abstract
No abstract record available.
Inventors
- 👤 Cameron William Mcc
- 👤 Cyril M Croft
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:02
CPC Classifications
D; D06; D06M; D06M11/00; D06M11/01; D06M11/05; D06M11/51; D06M11/53; D06M11/55; D06M11/56
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1936-12-04 | 1937-06-05 | 1937-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-12-04 | 1941-06-05 | 1941-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-12-04 | 1945-06-05 | 1945-12-05 | $7700.00 | Window Closed / Lapsed |