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US469663A Expired / Lapsed US ⏱️ 0.0 years remaining

Edwin t

Assignee: —
•
Filing: —
•
Granted: 1892-02-23
•
Expires: 1909-02-23
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 05:31
CPC Classifications
B; B21; B21D; B21D39/00; B21D39/03; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49828; Y10T29/49908; Y10T29/53; Y10T29/53126

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) 1895-02-22 1895-08-24 1896-02-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1899-02-22 1899-08-24 1900-02-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1903-02-23 1903-08-25 1904-02-24 $7700.00 Window Closed / Lapsed

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