Patent US234888A successfully refreshed from Google Patents.
US234888A
Expired / Lapsed
US
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Assignee: —
•
Filing: —
•
Granted: 1880-11-30
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Expires: 1897-11-30
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:12
CPC Classifications
A; A41; A41F; A41F1/00; A41F1/008; A44; A44B; A44B11/00; A44B11/25; A44B11/2503; A44B11/2546; A44B11/2561; Y; Y10; Y10S; Y10S24/00; Y10S24/30; Y10S24/43; Y10T; Y10T24/00; Y10T24/40; Y10T24/4002; Y10T24/4047; 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) | 1883-11-30 | 1884-05-31 | 1884-11-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1887-11-30 | 1888-05-31 | 1888-11-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1891-11-30 | 1892-05-31 | 1892-11-30 | $7700.00 | Window Closed / Lapsed |