US194676A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Improvement in sewer-traps
Assignee: —
•
Filing: —
•
Granted: 1877-08-28
•
Expires: 1894-08-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 17:42
CPC Classifications
E; E03; E03F; E03F7/00; E03F7/02; E03F7/04; F; F16; F16K; F16K15/00; F16K15/02; F16K15/03; F16K15/031; F16K15/14; F16K15/16; Y; Y10; Y10T; Y10T137/00; Y10T137/7287; Y10T137/7358; Y10T137/7439; Y10T137/7494; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/7888; Y10T137/7891; Y10T137/7898
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) | 1880-08-27 | 1881-02-26 | 1881-08-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1884-08-27 | 1885-02-26 | 1885-08-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1888-08-27 | 1889-02-26 | 1889-08-28 | $7700.00 | Window Closed / Lapsed |