US256590A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Double catheter
Assignee: —
•
Filing: —
•
Granted: 1882-04-18
•
Expires: 1899-04-18
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:01
CPC Classifications
A; A61; A61M; A61M25/00; A61M25/0021; A61M25/0023; A61M25/0026; A61M25/003; A61M2025/0031
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) | 1885-04-17 | 1885-10-17 | 1886-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-04-17 | 1889-10-17 | 1890-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-04-17 | 1893-10-17 | 1894-04-18 | $7700.00 | Window Closed / Lapsed |