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US2556153A Expired / Lapsed US ⏱️ 0.0 years remaining

Laundering apparatus

Assignee: Individual
•
Filing: 1947-01-18
•
Granted: 1951-06-05
•
Expires: 1967-01-18
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Abstract

No abstract record available.

Inventors

  • 👤 Ella M Collins

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-03 02:29
CPC Classifications
D; D06; D06F; D06F58/00

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US1234498A Cited
US1284949A Cited
US1986292A Cited
GB394948A Cited
US2064512A Cited
US2218664A Cited
US2331699A Cited
US2279878A Cited
US2344982A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1954-06-04 1954-12-04 1955-06-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1958-06-04 1958-12-04 1959-06-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1962-06-04 1962-12-04 1963-06-05 $7700.00 Window Closed / Lapsed

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