Patent US1725849A successfully refreshed from Google Patents.
US1725849A
Expired / Lapsed
US
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Apparatus for use in textile processes
Assignee: Celanese Corp
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Filing: 1926-09-27
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Granted: 1929-08-27
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Expires: 1946-09-27
Abstract
No abstract record available.
Inventors
- 👤 Cope Ernest Cecil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 12:04
CPC Classifications
H; H02; H02K; H02K17/00; H02K17/02; H02K17/12
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) | 1932-08-26 | 1933-02-25 | 1933-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1936-08-26 | 1937-02-25 | 1937-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1940-08-26 | 1941-02-25 | 1941-08-27 | $7700.00 | Window Closed / Lapsed |