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US723340A Expired / Lapsed US ⏱️ 0.0 years remaining

Slate.

Assignee: Individual
•
Filing: 1902-05-09
•
Granted: 1903-03-24
•
Expires: 1922-05-09
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Abstract

No abstract record available.

Inventors

  • 👤 Caroline Bard Tompkins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 14:02
CPC Classifications
B; B43; B43L; B43L1/00

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) 1906-03-23 1906-09-22 1907-03-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1910-03-23 1910-09-22 1911-03-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1914-03-23 1914-09-22 1915-03-24 $7700.00 Window Closed / Lapsed

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