Patent US287811A successfully refreshed from Google Patents.
US287811A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cleaning sewers
Assignee: —
•
Filing: —
•
Granted: 1883-11-06
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Expires: 1900-11-06
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:25
CPC Classifications
B; B08; B08B; B08B9/00; B08B9/02; B08B9/027; B08B9/032; B08B9/0321; B01; B01L; B01L3/00; B01L3/50; B01L3/502; B01L3/5027; B01L3/502707; Y; Y10; Y10T; Y10T137/00; Y10T137/0318; Y10T137/0402; Y10T137/0419; Y10T137/0424; Y10T137/4238; Y10T137/4245; Y10T137/4259
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) | 1886-11-05 | 1887-05-07 | 1887-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1890-11-05 | 1891-05-07 | 1891-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1894-11-05 | 1895-05-07 | 1895-11-06 | $7700.00 | Window Closed / Lapsed |