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US1690708A Expired / Lapsed US ⏱️ 0.0 years remaining

Composition of matter and mold made therefrom and method of casting pottery in the mold

Assignee: H B WIGGIN S SONS Co
•
Filing: 1924-10-29
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Granted: 1928-11-06
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Expires: 1944-10-29
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Abstract

No abstract record available.

Inventors

  • 👤 John D Wiggin
  • 👤 Mathias M Remmes

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 08:17
CPC Classifications
B; B28; B28B; B28B7/00; B28B7/34; B28B7/344

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) 1931-11-06 1932-05-07 1932-11-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1935-11-06 1936-05-07 1936-11-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1939-11-06 1940-05-07 1940-11-06 $7700.00 Window Closed / Lapsed

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