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US2646904A Expired / Lapsed US ⏱️ 0.0 years remaining

Weighing device with electrical valve control means

Assignee: Communication Engineering Pty Ltd
•
Filing: 1947-08-08
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Granted: 1953-07-28
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Expires: 1967-08-08
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Abstract

No abstract record available.

Inventors

  • 👤 Georg F Chodziesner

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 13:53
CPC Classifications
G; G01; G01G; G01G13/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US741975A Cited
US1083959A Cited
US1994797A Cited
US2071443A Cited
US2132237A Cited
US2367247A Cited
US2348372A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-07-27 1957-01-26 1957-07-28 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-07-27 1961-01-26 1961-07-28 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-07-27 1965-01-26 1965-07-28 $7700.00 Window Closed / Lapsed

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