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US661108A Expired / Lapsed US ⏱️ 0.0 years remaining

Manufacture of compound tubes.

Assignee: Individual
•
Filing: 1899-12-04
•
Granted: 1900-11-06
•
Expires: 1919-12-04
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Abstract

No abstract record available.

Inventors

  • 👤 Albert Schmitz

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 09:32
CPC Classifications
B; B21; B21D; B21D5/00; B21D5/06; B21D5/10; B21J; B21J15/00; B21J15/02; B21C; B21C1/00; B21C1/16; B21C1/22; B21C37/00; B21C37/06; B21C37/08; B21C37/0818; B21C37/15; B21C37/154; B21D35/00; B21D35/002; B21D35/005; B21D35/007; B21D39/00; B21D39/02; B21D39/021; B21D39/04; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49925; Y10T29/49927; Y10T29/49929

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) 1903-11-06 1904-05-07 1904-11-06 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1907-11-06 1908-05-07 1908-11-06 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1911-11-06 1912-05-07 1912-11-06 $7700.00 Window Closed / Lapsed

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