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US840271A Expired / Lapsed US ⏱️ 0.0 years remaining

Manufacture of frames and tubes.

Assignee: Individual
•
Filing: 1904-09-29
•
Granted: 1907-01-01
•
Expires: 1924-09-29
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Abstract

No abstract record available.

Inventors

  • 👤 Edouard Charles Francois Verschave

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 20:11
CPC Classifications
B; B21; B21D; B21D53/00; B21D53/88; B21D53/90; F; F17; F17C; F17C2201/00; F17C2201/05; F17C2201/052; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49893; Y10T428/00; Y10T428/12; Y10T428/12292

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) 1909-12-31 1910-07-02 1911-01-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1913-12-31 1914-07-02 1915-01-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1917-12-31 1918-07-02 1919-01-01 $7700.00 Window Closed / Lapsed

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