US1860036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Pigment dyes
Assignee: General Aniline Works Inc
•
Filing: 1928-08-11
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Granted: 1932-05-24
•
Expires: 1948-08-11
Abstract
No abstract record available.
Inventors
- 👤 Kranzlein Georg
- 👤 Hartmann Christoph
- 👤 Hardt Albin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:30
CPC Classifications
C; C09; C09B; C09B69/00; C09B69/02; C09B69/04
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) | 1935-05-24 | 1935-11-23 | 1936-05-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-05-24 | 1939-11-23 | 1940-05-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-05-24 | 1943-11-23 | 1944-05-24 | $7700.00 | Window Closed / Lapsed |