US300018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Gasometer for washing carbonic-acid gas
Assignee: —
•
Filing: —
•
Granted: 1884-06-10
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Expires: 1901-06-10
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:28
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/20; B01F23/23; B01F23/232; B01F23/2323; B01F23/23231; B01F23/232311
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) | 1887-06-10 | 1887-12-10 | 1888-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-06-10 | 1891-12-10 | 1892-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-06-10 | 1895-12-10 | 1896-06-10 | $7700.00 | Window Closed / Lapsed |