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US2643873A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydraulic weighing scale and method of charging and conditioning the same

Assignee: Individual
•
Filing: 1950-01-19
•
Granted: 1953-06-30
•
Expires: 1970-01-19
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Abstract

No abstract record available.

Inventors

  • 👤 William M Wise

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 21:04
CPC Classifications
G; G01; G01G; G01G5/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1631890A Cited
US1878835A Cited
US1995996A Cited
US2304363A Cited
US2521248A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1956-06-29 1956-12-29 1957-06-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1960-06-29 1960-12-29 1961-06-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1964-06-29 1964-12-29 1965-06-30 $7700.00 Window Closed / Lapsed

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