US33221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in soap
Assignee: —
•
Filing: —
•
Granted: 1861-09-03
•
Expires: 1878-09-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:01
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/30; A61K2800/00; A61K2800/40; A61K2800/59; A61K2800/596
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) | 1864-09-02 | 1865-03-04 | 1865-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1868-09-02 | 1869-03-04 | 1869-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1872-09-02 | 1873-03-04 | 1873-09-03 | $7700.00 | Window Closed / Lapsed |