US183832A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in pessaries
Assignee: —
•
Filing: —
•
Granted: 1876-10-31
•
Expires: 1893-10-31
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:46
CPC Classifications
A; A61; A61F; A61F6/00; A61F6/06; A61F6/08
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) | 1879-10-31 | 1880-05-01 | 1880-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1883-10-31 | 1884-05-01 | 1884-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1887-10-31 | 1888-05-01 | 1888-10-31 | $7700.00 | Window Closed / Lapsed |