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US407385A Expired / Lapsed US ⏱️ 0.0 years remaining

Power-converter

Assignee: —
•
Filing: —
•
Granted: 1889-07-23
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Expires: 1906-07-23
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Abstract

No abstract record available.

Inventors

No inventors recorded.

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-04 03:49
CPC Classifications
F; F16; F16H; F16H19/00; F16H19/02; F16H19/04; F16H19/043; Y; Y10; Y10T; Y10T74/00; Y10T74/15; Y10T74/1526; Y10T74/1532; Y10T74/1534; Y10T74/21; Y10T74/2133; Y10T74/2136; Y10T74/2142; Y10T74/2144; Y10T74/2146

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) 1892-07-22 1893-01-21 1893-07-23 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1896-07-22 1897-01-21 1897-07-23 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1900-07-23 1901-01-22 1901-07-24 $7700.00 Window Closed / Lapsed

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