US576790A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sanitary
Assignee: —
•
Filing: —
•
Granted: 1897-02-09
•
Expires: 1914-02-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 07:12
CPC Classifications
E; E03; E03F; E03F5/00; E03F5/04; E03F5/042; Y; Y10; Y10T; Y10T137/00; Y10T137/4456; Y10T137/4463; Y10T137/4553; Y10T137/4568; Y10T137/7287; Y10T137/7358; Y10T137/7423; Y10T137/7426; Y10T137/7436; Y10T137/7504; Y10T137/7613; Y10T137/7722; Y10T137/7837; Y10T137/7904; Y10T137/7908; Y10T137/7909; Y10T137/7913; Y10T137/7915
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) | 1900-02-09 | 1900-08-11 | 1901-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1904-02-10 | 1904-08-11 | 1905-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1908-02-10 | 1908-08-11 | 1909-02-10 | $7700.00 | Window Closed / Lapsed |