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US2609826A Expired / Lapsed US ⏱️ 0.0 years remaining

Apparatus for washing spongy material

Assignee: Motors Liquidation Co
•
Filing: 1950-04-08
•
Granted: 1952-09-09
•
Expires: 1970-04-08
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Abstract

No abstract record available.

Inventors

  • 👤 John T Marvin
  • 👤 George H Mcfadden

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 01:59
CPC Classifications
B; B08; B08B; B08B3/00; B08B3/04; B08B3/041; B29; B29C; B29C44/00; B29C44/34; B29C44/56; B29K; B29K2021/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US419932A Cited
US1071022A Cited
US1447017A Cited
US2209950A Cited
US2239636A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1955-09-09 1956-03-10 1956-09-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1959-09-09 1960-03-10 1960-09-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1963-09-09 1964-03-10 1964-09-09 $7700.00 Window Closed / Lapsed

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