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US165123A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in toy chromatropes

Assignee: —
•
Filing: —
•
Granted: 1875-06-29
•
Expires: 1892-06-29
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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 16:55
CPC Classifications
A; A63; A63H; A63H1/00; A63H1/32

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1878-06-28 1878-12-28 1879-06-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1882-06-28 1882-12-28 1883-06-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1886-06-28 1886-12-28 1887-06-29 $7700.00 Window Closed / Lapsed

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