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US2843044A Expired / Lapsed US ⏱️ 0.0 years remaining

Metering pump

Assignee: Individual
•
Filing: 1954-07-14
•
Granted: 1958-07-15
•
Expires: 1974-07-14
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Abstract

No abstract record available.

Inventors

  • 👤 William H Mashinter

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 12:14
CPC Classifications
B; B67; B67D; B67D7/00; B67D7/06; B67D7/58; B67D7/62; B67D7/66; F; F04; F04B; F04B43/00; F04B43/08; F04B43/10; F04B43/107; F04B49/00; F04B49/22; F04B49/24; F04B53/00; F04B53/06; F04B53/10; F04B53/102; F04B53/1032

Claims Analysis

Total Claims: 0
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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1961-07-14 1962-01-13 1962-07-15 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1965-07-14 1966-01-13 1966-07-15 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1969-07-14 1970-01-13 1970-07-15 $7700.00 Window Closed / Lapsed

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