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US1239726A Expired / Lapsed US ⏱️ 0.0 years remaining

Piston-ring.

Assignee: SAUER-GEORGI MANUFACTURING COMPANY Inc
•
Filing: 1916-09-16
•
Granted: 1917-09-11
•
Expires: 1936-09-16
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Abstract

No abstract record available.

Inventors

  • 👤 Arthur J Sauer
  • 👤 John J Georgi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 05:33
CPC Classifications
F; F16; F16J; F16J9/00; F16J9/06; F16J9/061; F16J9/063; Y; Y10; Y10S; Y10S277/00; Y10S277/918

Claims Analysis

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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) 1920-09-10 1921-03-12 1921-09-11 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1924-09-10 1925-03-12 1925-09-11 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1928-09-10 1929-03-12 1929-09-11 $7700.00 Window Closed / Lapsed

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