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US470233A Expired / Lapsed US ⏱️ 0.0 years remaining

caldwell

Assignee: —
•
Filing: —
•
Granted: 1892-03-08
•
Expires: 1909-03-08
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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 2026-10-23 04:40
CPC Classifications
B; B26; B26F; B26F1/00; B26F1/38; B26F1/3806; B26F1/3813; B26F1/382

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) 1895-03-08 1895-09-07 1896-03-08 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1899-03-08 1899-09-07 1900-03-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1903-03-09 1903-09-08 1904-03-09 $7700.00 Window Closed / Lapsed

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