Patent US1511359A successfully refreshed from Google Patents.
US1511359A
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US
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Process for dyeing wool with dyestuffs capable of being chromed
Assignee: Agfa Gevaert NV
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Filing: 1922-05-15
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Granted: 1924-10-14
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Expires: 1942-05-15
Abstract
No abstract record available.
Inventors
- 👤 Onnertz Paul
- 👤 Peters Alfred
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 11:44
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/02; D06P3/04; D06P3/14; D06P3/20; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/917
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) | 1927-10-14 | 1928-04-14 | 1928-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-10-14 | 1932-04-14 | 1932-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-10-14 | 1936-04-14 | 1936-10-14 | $7700.00 | Window Closed / Lapsed |