Patent US593221A successfully refreshed from Google Patents.
US593221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
George ii
Assignee: —
•
Filing: —
•
Granted: 1897-11-09
•
Expires: 1914-11-09
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:34
CPC Classifications
A; A44; A44B; A44B1/00; A44B1/18; A44B1/28; Y; Y10; Y10S; Y10S411/00; Y10S411/918; Y10T; Y10T24/00; Y10T24/36; Y10T24/3681; Y10T24/3685; Y10T24/46; Y10T24/4604; Y10T24/4605; Y10T24/4609; Y10T24/4621; Y10T24/4627; Y10T24/50
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1900-11-09 | 1901-05-11 | 1901-11-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1904-11-09 | 1905-05-11 | 1905-11-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1908-11-09 | 1909-05-11 | 1909-11-10 | $7700.00 | Window Closed / Lapsed |