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US197246A Expired / Lapsed US ⏱️ 0.0 years remaining

Improvement in geographical clocks

Assignee: —
•
Filing: 1877-08-24
•
Granted: 1877-11-20
•
Expires: 1897-08-24
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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 12:07
CPC Classifications
G; G04; G04B; G04B19/00; G04B19/22; G04B19/23; G04B19/235

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) 1880-11-19 1881-05-21 1881-11-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1884-11-19 1885-05-21 1885-11-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1888-11-19 1889-05-21 1889-11-20 $7700.00 Window Closed / Lapsed

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