US1855963A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Uniform dyeing of viscose
Assignee: General Aniline Works Inc
•
Filing: 1928-11-23
•
Granted: 1932-04-26
•
Expires: 1948-11-23
Abstract
No abstract record available.
Inventors
- 👤 Hentrich Winfrid
- 👤 Hilger Josef
- 👤 Knoche Rudolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 17:53
CPC Classifications
C; C09; C09B; C09B31/00; C09B31/02; C09B31/025; Y; Y10; Y10S; Y10S8/00; Y10S8/916; Y10S8/918
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) | 1935-04-26 | 1935-10-26 | 1936-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-04-26 | 1939-10-26 | 1940-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-04-26 | 1943-10-26 | 1944-04-26 | $7700.00 | Window Closed / Lapsed |