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US3256155A Expired / Lapsed US ⏱️ 0.0 years remaining

Dentifrice composition

Assignee: Lever Brothers Co
•
Filing: 1962-04-11
•
Granted: 1966-06-14
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Expires: 1982-04-11
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Abstract

No abstract record available.

Inventors

  • 👤 Cahn Arno
  • 👤 Mark D Konort
  • 👤 Melvin A Goldberg

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 20:18
CPC Classifications
A; A61; A61Q; A61Q11/00; A61K; A61K8/00; A61K8/18; A61K8/30; A61K8/46; A61K8/463; C; C07; C07C; C07C305/00; C07C305/02; C07C305/04; C07C305/10

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 12 words
A DENTIFRICE COMPOSITION COMPRISING AN ABRASIVE AND A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim 12 words
A DENTIFRICE COMPOSITION COMPRISING AN ABRASIVE AND A COMPOUND HAVING THE FORMULA

References Cited (Backward Citations)

US2114042A Cited
US2191199A Cited
US2161937A Cited
US2216816A Cited
US3000832A Cited
US2944028A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1969-06-13 1969-12-13 1970-06-14 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1973-06-13 1973-12-13 1974-06-14 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1977-06-13 1977-12-13 1978-06-14 $7700.00 Window Closed / Lapsed

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