US1025267A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blue wool-dye.
Assignee: Bayer AG
•
Filing: 1911-09-12
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Granted: 1912-05-07
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Expires: 1931-09-12
Abstract
No abstract record available.
Inventors
- 👤 Carl Heidenreich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 16:19
CPC Classifications
C; C09; C09B; C09B45/00; C09B45/02; C09B45/14; C09B45/16
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) | 1915-05-07 | 1915-11-06 | 1916-05-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1919-05-07 | 1919-11-06 | 1920-05-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1923-05-07 | 1923-11-06 | 1924-05-07 | $7700.00 | Window Closed / Lapsed |