Patent US4334819A successfully refreshed from Google Patents.
Patent US477224A successfully refreshed from Google Patents.
US477224A
Expired / Lapsed
US
⏱️ 0.0 years remaining
pratt
Assignee: —
•
Filing: —
•
Granted: 1892-06-21
•
Expires: 1909-06-21
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:20
CPC Classifications
B; B41; B41J; B41J7/00; B41J7/54; B41J7/56; B41J7/62
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) | 1895-06-21 | 1895-12-21 | 1896-06-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1899-06-21 | 1899-12-21 | 1900-06-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1903-06-22 | 1903-12-22 | 1904-06-22 | $7700.00 | Window Closed / Lapsed |