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US2324348A Expired / Lapsed US ⏱️ 0.0 years remaining

Preservation of soaps and perfumes

Assignee: Lever Brothers Co
•
Filing: 1938-05-28
•
Granted: 1943-07-13
•
Expires: 1958-05-28
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Abstract

No abstract record available.

Inventors

  • 👤 Carl N Andersen

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 11:45
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/67; A61K8/676; A61Q; A61Q13/00; C; C11; C11D; C11D9/00; C11D9/04; C11D9/045; C11D9/22; C11D9/26; C11D9/262; C11D9/44; C11D9/442; A61K2800/00; A61K2800/40; A61K2800/52; A61K2800/522

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

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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) 1946-07-12 1947-01-11 1947-07-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1950-07-12 1951-01-11 1951-07-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1954-07-12 1955-01-11 1955-07-13 $7700.00 Window Closed / Lapsed

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