Patent US261941A successfully refreshed from Google Patents.
US261941A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Machine
Assignee: —
•
Filing: —
•
Granted: 1882-08-01
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Expires: 1899-08-01
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:34
CPC Classifications
B; B01; B01L; B01L3/00; B01L3/50; B01L3/502; B01L3/5027; B01L3/50273; B65; B65B; B65B3/00; B65B3/26; B65B3/30
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) | 1885-07-31 | 1886-01-30 | 1886-08-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1889-07-31 | 1890-01-30 | 1890-08-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1893-07-31 | 1894-01-30 | 1894-08-01 | $7700.00 | Window Closed / Lapsed |