US898378A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of sulfur, &c.
Assignee: FIRM OF RUETGERSWERKE ACTIENGESELLSCHAFT
•
Filing: 1907-05-18
•
Granted: 1908-09-08
•
Expires: 1927-05-18
Abstract
No abstract record available.
Inventors
- 👤 Hippolyt Koehler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:42
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/04
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1911-09-08 | 1912-03-09 | 1912-09-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1915-09-08 | 1916-03-09 | 1916-09-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1919-09-08 | 1920-03-09 | 1920-09-08 | $7700.00 | Window Closed / Lapsed |