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US1031227A Expired / Lapsed US ⏱️ 0.0 years remaining

Manufacture of asphalt blocks, slabs, and the like.

Assignee: Chemische Fabriken & Asphaltwerke Aktien-Gesellschaft
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Filing: 1911-12-23
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Granted: 1912-07-02
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Expires: 1931-12-23
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Abstract

No abstract record available.

Inventors

  • 👤 Carl Artmann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 11:54
CPC Classifications
B; B28; B28B; B28B11/00; B28B11/14; B28B11/145; B29; B29C; B29C45/00; B29C45/14; B29C45/14336; B29C45/14385; Y; Y10; Y10S; Y10S264/00; Y10S264/32

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) 1915-07-02 1916-01-01 1916-07-02 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1919-07-02 1920-01-01 1920-07-02 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1923-07-02 1924-01-01 1924-07-02 $7700.00 Window Closed / Lapsed

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