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US1387258A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1920-07-20
•
Granted: 1921-08-09
•
Expires: 1940-07-20
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Abstract

No abstract record available.

Inventors

  • 👤 George M Gunnett
  • 👤 Gunnett Olen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-22 17:14
CPC Classifications
F; F16; F16B; F16B39/00; F16B39/02; Y; Y10; Y10S; Y10S411/00; Y10S411/924; Y10S411/926; Y10S411/927

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) 1924-08-08 1925-02-07 1925-08-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1928-08-08 1929-02-07 1929-08-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1932-08-08 1933-02-07 1933-08-09 $7700.00 Window Closed / Lapsed

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