Patent US1409271A successfully refreshed from Google Patents.
US1409271A
Expired / Lapsed
US
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Apparatus for washing and treating fibers, yarns, fabrics, and the like
Assignee: Individual
•
Filing: 1921-12-09
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Granted: 1922-03-14
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Expires: 1941-12-09
Abstract
No abstract record available.
Inventors
- 👤 Bartelt Friedrich Ludwig
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:01
CPC Classifications
D; D06; D06B; D06B5/00; D06B2700/00; D06B2700/18
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) | 1925-03-13 | 1925-09-12 | 1926-03-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1929-03-13 | 1929-09-12 | 1930-03-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1933-03-13 | 1933-09-12 | 1934-03-14 | $7700.00 | Window Closed / Lapsed |