Patent US872866A successfully refreshed from Google Patents.
US872866A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mud retainer or collector for water-clarifying tanks.
Assignee: Individual
•
Filing: 1906-03-17
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Granted: 1907-12-03
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Expires: 1926-03-17
Abstract
No abstract record available.
Inventors
- 👤 Emile Vial
- 👤 Louise Bourgoin Vial
- 👤 Blanche Vial
- 👤 Gabrielle Vial
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:34
CPC Classifications
B; B01; B01D; B01D35/00; B01D35/02; B01D35/027; B01D35/0276
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) | 1910-12-02 | 1911-06-03 | 1911-12-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1914-12-02 | 1915-06-03 | 1915-12-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1918-12-02 | 1919-06-03 | 1919-12-03 | $7700.00 | Window Closed / Lapsed |