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US3372491A Expired / Lapsed US ⏱️ 0.0 years remaining

Nap band attachment for hair dryers

Assignee: WILLA C MORRISON
•
Filing: 1965-08-11
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Granted: 1968-03-12
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Expires: 1985-08-11
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Abstract

No abstract record available.

Inventors

  • 👤 Willa C Morrison

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 20:50
CPC Classifications
A; A45; A45D; A45D20/00; A45D20/22; A45D20/24

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US482629A Cited
US2481645A Cited
US2268294A Cited
US2488858A Cited
US2446962A Cited
FR950412A Cited
US3163467A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1971-03-12 1971-09-11 1972-03-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1975-03-12 1975-09-11 1976-03-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1979-03-12 1979-09-11 1980-03-12 $7700.00 Window Closed / Lapsed

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