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US1570014A Expired / Lapsed US ⏱️ 0.0 years remaining

Sprocket chain

Assignee: Individual
•
Filing: 1924-05-20
•
Granted: 1926-01-19
•
Expires: 1944-05-20
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Abstract

No abstract record available.

Inventors

  • 👤 Harry P Stevens

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-07 19:24
CPC Classifications
F; F16; F16G; F16G13/00; F16G13/18; F16G13/20; F16G13/02; F16G13/06; Y; Y10; Y10S; Y10S254/00; Y10S254/06

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) 1929-01-18 1929-07-20 1930-01-19 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1933-01-18 1933-07-20 1934-01-19 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1937-01-18 1937-07-20 1938-01-19 $7700.00 Window Closed / Lapsed

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