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US1247352A Expired / Lapsed US ⏱️ 0.0 years remaining

Churn-operating mechanism.

Assignee: Individual
•
Filing: 1917-06-29
•
Granted: 1917-11-20
•
Expires: 1937-06-29
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Abstract

No abstract record available.

Inventors

  • 👤 Charles S Waybright

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 10:18
CPC Classifications
F; F16; F16H; F16H19/00; F16H19/02; F16H19/06; Y; Y10; Y10T; Y10T74/00; Y10T74/18; Y10T74/18568; Y10T74/18832

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

No citation records indexed.

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1920-11-19 1921-05-21 1921-11-20 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1924-11-19 1925-05-21 1925-11-20 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1928-11-19 1929-05-21 1929-11-20 $7700.00 Window Closed / Lapsed

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