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US3511229A Expired / Lapsed US ⏱️ 0.0 years remaining

Portable battery operated hair shampooer

Assignee: ELOISE H ROMO
•
Filing: 1967-08-10
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Granted: 1970-05-12
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Expires: 1987-08-10
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Abstract

No abstract record available.

Inventors

  • 👤 Eloise H Romo

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 09:37
CPC Classifications
A; A61; A61H; A61H7/00; A61H7/002; A61H7/004; A61H7/005; A45; A45D; A45D19/00; A45D19/02; A45D19/026; A61H2205/00; A61H2205/02; A61H2205/021

Claims Analysis

Total Claims: 0
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References Cited (Backward Citations)

US2644972A Cited
US2858703A Cited
US2869158A Cited
US3160902A Cited
US3358309A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1973-05-11 1973-11-10 1974-05-12 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1977-05-11 1977-11-10 1978-05-12 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1981-05-11 1981-11-10 1982-05-12 $7700.00 Window Closed / Lapsed

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