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US2580382A Expired / Lapsed US ⏱️ 0.0 years remaining

Hydraulic tappet

Assignee: New Products Corp
•
Filing: 1949-03-09
•
Granted: 1952-01-01
•
Expires: 1969-03-09
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Abstract

No abstract record available.

Inventors

  • 👤 Oscar H Banker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 21:12
CPC Classifications
F; F01; F01L; F01L1/00; F01L1/20; F01L1/22; F01L1/24; F01L1/245; F01L1/25; F01L1/252

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

USRE21931E Cited
US1248405A Cited
US2116749A Cited
US2096257A Cited
US2108514A Cited
US2098115A Cited
US2140826A Cited
US2250752A Cited
US2220336A Cited
US2468332A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-12-31 1955-07-02 1956-01-01 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-12-31 1959-07-02 1960-01-01 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-12-31 1963-07-02 1964-01-01 $7700.00 Window Closed / Lapsed

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