Patent US293831A successfully refreshed from Google Patents.
US293831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
William h
Assignee: —
•
Filing: —
•
Granted: 1884-02-19
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Expires: 1901-02-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 12:56
CPC Classifications
A; A41; A41D; A41D13/00; A41D13/05; A41D13/08; A41D13/081; A41D13/087; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/38; Y10T; Y10T24/00; Y10T24/14; Y10T24/1457; Y10T24/148; Y10T24/1482; Y10T24/45; Y10T24/45225; Y10T24/45241
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) | 1887-02-18 | 1887-08-20 | 1888-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1891-02-18 | 1891-08-20 | 1892-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1895-02-18 | 1895-08-20 | 1896-02-19 | $7700.00 | Window Closed / Lapsed |