US1534019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing acetyl cellulose or fabrics containing the same and new products for use therein
Assignee: Imperial Chemical Industries Ltd
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Filing: 1924-10-09
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Granted: 1925-04-21
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Expires: 1944-10-09
Abstract
No abstract record available.
Inventors
- 👤 Baddiley James
- 👤 Lawrie Leslie Gordon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 23:45
CPC Classifications
D; D06; D06P; D06P3/00; D06P3/34; D06P3/40; D06P3/42; D06P1/00; D06P1/44; D06P1/62; D06P1/621; D06P1/622; D06P1/625; Y; Y10; Y10S; Y10S516/00; Y10S516/01; Y10S516/03; Y10S8/00; Y10S8/92; Y10S8/921
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) | 1928-04-20 | 1928-10-20 | 1929-04-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1932-04-20 | 1932-10-20 | 1933-04-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1936-04-20 | 1936-10-20 | 1937-04-21 | $7700.00 | Window Closed / Lapsed |