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US2824585A Expired / Lapsed US ⏱️ 0.0 years remaining

Metering pump

Assignee: APCO Inc
•
Filing: 1956-11-09
•
Granted: 1958-02-25
•
Expires: 1976-11-09
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Abstract

No abstract record available.

Inventors

  • 👤 Lloyd J Andres

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 21:58
CPC Classifications
A; A47; A47J; A47J31/00; A47J31/40; A47J31/402; G; G01; G01F; G01F11/00; G01F11/02; G01F11/021

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1939899A Cited
US2526331A Cited
FR58291E Cited
US2525295A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-02-24 1961-08-26 1962-02-25 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-02-24 1965-08-26 1966-02-25 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-02-24 1969-08-26 1970-02-25 $7700.00 Window Closed / Lapsed

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