US954494A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drainage-tube.
Assignee: UNITED STATES CHEMICAL Co
•
Filing: 1909-01-20
•
Granted: 1910-04-12
•
Expires: 1929-01-20
Abstract
No abstract record available.
Inventors
- 👤 George E Andrews
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:20
CPC Classifications
A; A01; A01N; A01N1/00; A61; A61B; A61B17/00; A61B17/32; A61M; A61M1/00; A61M1/83; A61M1/84
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) | 1913-04-11 | 1913-10-11 | 1914-04-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1917-04-11 | 1917-10-11 | 1918-04-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1921-04-11 | 1921-10-11 | 1922-04-12 | $7700.00 | Window Closed / Lapsed |