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US2693689A
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Apparatus for the fluid treatment of textiles using molten metal
Assignee: Standfast Dyers and Printers Ltd
•
Filing: 1949-05-02
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Granted: 1954-11-09
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Expires: 1969-05-02
Abstract
No abstract record available.
Inventors
- 👤 Robert S E Hannay
- 👤 Kilby William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 15:43
CPC Classifications
D; D06; D06B; D06B19/00; D06B19/0005; D06B19/0076; D06B19/0082
Claims Analysis
Total Claims: 0
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US514743A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-08 | 1958-05-10 | 1958-11-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-08 | 1962-05-10 | 1962-11-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-08 | 1966-05-10 | 1966-11-09 | $7700.00 | Window Closed / Lapsed |