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US194329A
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Improvement in stench-traps for use in sinks
Assignee: —
•
Filing: —
•
Granted: 1877-08-21
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Expires: 1894-08-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 10:58
CPC Classifications
F; F16; F16K; F16K15/00; F16K15/14; F16K15/144; F16K15/147; Y; Y10; Y10T; Y10T137/00; Y10T137/7722; Y10T137/7837; Y10T137/7879; Y10T137/788; Y10T137/7882
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) | 1880-08-20 | 1881-02-19 | 1881-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1884-08-20 | 1885-02-19 | 1885-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1888-08-20 | 1889-02-19 | 1889-08-21 | $7700.00 | Window Closed / Lapsed |