Patent US2193361A successfully refreshed from Google Patents.
Patent US303731A successfully refreshed from Google Patents.
US303731A
Expired / Lapsed
US
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Eichaed m
Assignee: —
•
Filing: —
•
Granted: 1884-08-19
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Expires: 1901-08-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:38
CPC Classifications
A; A44; A44B; A44B1/00; A44B1/18; A44B1/28; A44B1/34; Y; Y10; Y10T; Y10T24/00; Y10T24/36; Y10T24/3651; Y10T24/3655; Y10T24/366
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) | 1887-08-19 | 1888-02-18 | 1888-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-08-19 | 1892-02-18 | 1892-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-08-19 | 1896-02-18 | 1896-08-19 | $7700.00 | Window Closed / Lapsed |