US577739A
Expired / Lapsed
US
⏱️ 0.0 years remaining
And benjamin
Assignee: —
•
Filing: —
•
Granted: 1897-02-23
•
Expires: 1914-02-23
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:27
CPC Classifications
B; B01; B01F; B01F23/00; B01F23/10; B01F23/19; B01F23/191; Y; Y10; Y10T; Y10T137/00; Y10T137/2496; Y10T137/2499; Y10T137/2504; Y10T137/7722; Y10T137/7781; Y10T137/7793; Y10T137/7809; Y10T137/7812
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) | 1900-02-23 | 1900-08-25 | 1901-02-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1904-02-24 | 1904-08-25 | 1905-02-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1908-02-24 | 1908-08-25 | 1909-02-24 | $7700.00 | Window Closed / Lapsed |