Patent US415911A successfully refreshed from Google Patents.
US415911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Siphon and trap for flushing apparatus
Assignee: —
•
Filing: —
•
Granted: 1889-11-26
•
Expires: 1906-11-26
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 15:41
CPC Classifications
F; F04; F04F; F04F10/00; Y; Y10; Y10T; Y10T137/00; Y10T137/2713; Y10T137/272; Y10T137/2747; Y10T137/2774; Y10T137/2802; Y10T137/2815; Y10T137/2822; Y10T137/4456; Y10T137/4463; Y10T137/4531; Y10T137/4553
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) | 1892-11-25 | 1893-05-27 | 1893-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1896-11-25 | 1897-05-27 | 1897-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1900-11-26 | 1901-05-28 | 1901-11-27 | $7700.00 | Window Closed / Lapsed |