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US904819A Expired / Lapsed US ⏱️ 0.0 years remaining

Means for attaching stirring-arms to shafts in mechanical roasting-furnace.

Assignee: Individual
•
Filing: 1907-07-17
•
Granted: 1908-11-24
•
Expires: 1927-07-17
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Abstract

No abstract record available.

Inventors

  • 👤 Wilhelm Troeller

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-29 23:37
CPC Classifications
F; F16; F16B; F16B7/00; F16B7/04; F16B7/044; F16B7/0446; F16B7/0453; F16B7/046; F16B2200/00; F16B2200/20; Y; Y10; Y10T; Y10T292/00; Y10T292/85; Y10T292/865; Y10T292/93; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20582; Y10T74/206; Y10T74/20732; Y10T74/20762; Y10T74/20834; Y10T74/20864

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) 1911-11-24 1912-05-25 1912-11-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1915-11-24 1916-05-25 1916-11-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1919-11-24 1920-05-25 1920-11-24 $7700.00 Window Closed / Lapsed

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