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US2595467A Expired / Lapsed US ⏱️ 0.0 years remaining

Perpetual calendar clock

Assignee: Individual
•
Filing: 1948-07-16
•
Granted: 1952-05-06
•
Expires: 1968-07-16
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Abstract

No abstract record available.

Inventors

  • 👤 Kellner Gabriel

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 03:08
CPC Classifications
G; G04; G04C; G04C17/00; G04C17/0075; G04C17/0083

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US209618A Cited
US367663A Cited
CH14001A Cited
US2073275A Cited
US2126469A Cited
FR814511A Cited
CH190208A Cited
GB517865A Cited
GB582303A Cited
US2495222A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-05-06 1955-11-05 1956-05-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-05-06 1959-11-05 1960-05-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-05-06 1963-11-05 1964-05-06 $7700.00 Window Closed / Lapsed

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