US1486002A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of water-soluble durable preparations containing acetyl-salicylic acid
Assignee: JOHANN A VON WULFING
•
Filing: 1922-07-22
•
Granted: 1924-03-04
•
Expires: 1942-07-22
Abstract
No abstract record available.
Inventors
- 👤 Alsleben Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:28
CPC Classifications
A; A61; A61K; A61K33/00; A61K33/06; A61K33/10
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) | 1927-03-04 | 1927-09-03 | 1928-03-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1931-03-04 | 1931-09-03 | 1932-03-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1935-03-04 | 1935-09-03 | 1936-03-04 | $7700.00 | Window Closed / Lapsed |