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US872364A Expired / Lapsed US ⏱️ 0.0 years remaining

Cement block.

Assignee: Individual
•
Filing: 1906-09-24
•
Granted: 1907-12-03
•
Expires: 1926-09-24
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Abstract

No abstract record available.

Inventors

  • 👤 James Stanwood Pierce

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 08:21
CPC Classifications
E; E04; E04B; E04B2/00; E04B2/02; E04B2/04; E04B2/06; E04B2002/0202; E04B2002/0243; E04B2002/0247; E04B2002/0254

Claims Analysis

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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) 1910-12-02 1911-06-03 1911-12-03 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1914-12-02 1915-06-03 1915-12-03 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1918-12-02 1919-06-03 1919-12-03 $7700.00 Window Closed / Lapsed

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