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US3533955A Expired / Lapsed US ⏱️ 0.0 years remaining

Two-phase liquid detergent compositions

Assignee: Lever Brothers Co
•
Filing: 1965-06-15
•
Granted: 1970-10-13
•
Expires: 1985-06-15
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Abstract

No abstract record available.

Inventors

  • 👤 Morton Pader
  • 👤 Donald Jay Martin

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 18:30
CPC Classifications
A; A61; A61K; A61K8/00; A61K8/02; A61K8/03; A61Q; A61Q5/00; A61Q5/02; A61Q5/12; C; C11; C11D; C11D17/00; C11D17/0008; C11D17/0017

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

CA707292A Cited
US2543061A Cited
US2787596A Cited
US2756178A Cited
GB890567A Cited
US3098794A Cited
US3313734A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-10-12 1974-04-13 1974-10-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-10-12 1978-04-13 1978-10-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-10-12 1982-04-13 1982-10-13 $7700.00 Window Closed / Lapsed

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