US2135633A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dyeing process
Assignee: General Aniline Works Inc
•
Filing: 1936-05-02
•
Granted: 1938-11-08
•
Expires: 1956-05-02
Abstract
No abstract record available.
Inventors
- 👤 Bienert Berthold
- 👤 Holzach Karl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:28
CPC Classifications
C; C09; C09B; C09B47/00; C09B47/04; C09B47/08; C09B47/24; D; D06; D06P; D06P1/00; D06P1/14; D06P1/39; D06P1/40; D06P3/00; D06P3/58; D06P3/60; D06P3/6008
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) | 1941-11-07 | 1942-05-09 | 1942-11-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1945-11-07 | 1946-05-09 | 1946-11-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1949-11-07 | 1950-05-09 | 1950-11-08 | $7700.00 | Window Closed / Lapsed |