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US3017328A Expired / Lapsed US ⏱️ 0.0 years remaining

Hair straightening preparation

Assignee: Hairstrate Inc
•
Filing: 1957-01-30
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Granted: 1962-01-16
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Expires: 1977-01-30
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Abstract

No abstract record available.

Inventors

  • 👤 Jr Henry M Childrey
  • 👤 Doty Eric

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-01 13:16
CPC Classifications
A; A61; A61Q; A61Q5/00; A61Q5/04; A61K; A61K8/00; A61K8/18; A61K8/19; A61K8/30; A61K8/31; A61K8/33; A61K8/34; A61K8/342; A61K8/46; A61K8/463; A61K8/92; A61K8/925

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 68 words
AN AQUEOUS HAIR TREATMENT SOLUTION CONSISTING ESSENTIALLY OF ALKALI METAL HYDROXYDE HAVING FROM ABOUT 3% TO ABOUT 4% BY WEIGHT OF ALKALI METAL HYDROXIDE AND THE BALANCE OF THE ACTIVE INGREDIENTS CONSISTING ESSENTIALLY OF A COMBINATION OF CETYL ALCOHOL, PETROLUEM JELLY, MINERAL OIL AND SODIUM LAURYL SULFATE WHICH ARE PRESENT IN PROPORTIONS RESPECTIVELY OF ABOUT 4:1:2:1, SAID ACTIVE INGREDIENTS COMPRISING ABOUT 37% BY WEIGHT OF THE AQUEOUS SOLUTION.
Claim 2
Dependent Claim 68 words
AN AQUEOUS HAIR TREATMENT SOLUTION CONSISTING ESSENTIALLY OF ALKALI METAL HYDROXYDE HAVING FROM ABOUT 3% TO ABOUT 4% BY WEIGHT OF ALKALI METAL HYDROXIDE AND THE BALANCE OF THE ACTIVE INGREDIENTS CONSISTING ESSENTIALLY OF A COMBINATION OF CETYL ALCOHOL, PETROLUEM JELLY, MINERAL OIL AND SODIUM LAURYL SULFATE WHICH ARE PRESENT IN PROPORTIONS RESPECTIVELY OF ABOUT 4:1:2:1, SAID ACTIVE INGREDIENTS COMPRISING ABOUT 37% BY WEIGHT OF THE AQUEOUS SOLUTION.

References Cited (Backward Citations)

US1055972A Cited
US2056358A Cited
US2310687A Cited
US2403906A Cited
US2418664A Cited
US2478820A Cited
US2608563A Cited
US2736323A Cited
US2782790A Cited
US2691378A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1965-01-15 1965-07-17 1966-01-16 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1969-01-15 1969-07-17 1970-01-16 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1973-01-15 1973-07-17 1974-01-16 $7700.00 Window Closed / Lapsed

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