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US2768633A Expired / Lapsed US ⏱️ 0.0 years remaining

Hair curler

Assignee: Individual
•
Filing: 1953-10-15
•
Granted: 1956-10-30
•
Expires: 1973-10-15
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Abstract

No abstract record available.

Inventors

  • 👤 Baumeister Willi

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-25 19:14
CPC Classifications
A; A45; A45D; A45D2/00; A45D2/12; A45D2/24; A45D2/2457

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2172964A Cited
US2109632A Cited
US2272942A Cited
GB636378A Cited
US2434279A Cited
US2415483A Cited
US2565673A Cited
FR1036381A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1959-10-30 1960-04-30 1960-10-30 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1963-10-30 1964-04-30 1964-10-30 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1967-10-30 1968-04-30 1968-10-30 $7700.00 Window Closed / Lapsed

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