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US2806697A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1953-01-09
•
Granted: 1957-09-17
•
Expires: 1973-01-09
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Abstract

No abstract record available.

Inventors

  • 👤 Huhn Robert
  • 👤 Gamroth Georg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 05:08
CPC Classifications
A; A63; A63G; A63G1/00; A63G1/38; A63G25/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US331419A Cited
US1432224A Cited
US1409071A Cited
US1652840A Cited
US1799409A Cited
US2225411A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-09-16 1961-03-18 1961-09-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-09-16 1965-03-18 1965-09-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-09-16 1969-03-18 1969-09-17 $7700.00 Window Closed / Lapsed

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