Patent US4573560A successfully refreshed from Google Patents.
US4861179A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mascara brush
Assignee: Henlopen Manufacturing Co Inc
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Filing: 1988-12-05
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Granted: 1989-08-29
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Expires: 2008-12-05
Abstract
Abstract A spiral mascara brush including both soft bristles for applying mascara and stiff bristles for combing applied mascara through a user's eyelashes. The soft and stiff bristles are intermingled throughout the length of the brush in specified proportion so that the entire brush may be used both for applying the mascara and combing the eyelashes.
Inventors
- 👤 Volker Schrepf
- 👤 Franklin J. Hartel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 14:25
CPC Classifications
A; A46; A46B; A46B3/00; A46B3/18; A45; A45D; A45D40/00; A45D40/26; A45D40/262; A45D40/265; A46B9/00; A46B9/06; A46B2200/00; A46B2200/10; A46B2200/1046; A46B2200/1053; Y; Y10; Y10S; Y10S15/00; Y10S15/06
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
130 words
A spiral mascara brush in combination with a container of mascara, said brush comprising (a) a multiplicity of bristles each having opposed free ends, and (b) a twisted wire fixedly mounting the bristles in a continuous helical array such that the free ends of the bristles are generally disposed along a helix, wherein the improvement comprises (c) said multiplicity of bristles comprising (i) one type of relatively soft bristles having a flexural strength adapted to apply mascara to a user's eyelashes; (ii) another type of relatively stiff bristles having a flexural strength, substantially greater than the flexural strength of said soft bristles adapted to comb applied mascara through a user's eyelashes, and (iii) both said soft and stiff bristles being randomly intermingled through out the length of said helical array.
Claim 2
Dependent Claim
130 words
A spiral mascara brush in combination with a container of mascara, said brush comprising (a) a multiplicity of bristles each having opposed free ends, and (b) a twisted wire fixedly mounting the bristles in a continuous helical array such that the free ends of the bristles are generally disposed along a helix, wherein the improvement comprises (c) said multiplicity of bristles comprising (i) one type of relatively soft bristles having a flexural strength adapted to apply mascara to a user's eyelashes; (ii) another type of relatively stiff bristles having a flexural strength, substantially greater than the flexural strength of said soft bristles adapted to comb applied mascara through a user's eyelashes, and (iii) both said soft and stiff bristles being randomly intermingled through out the length of said helical array.
Claim 3
Dependent Claim
29 words
A mascara brush as defined in claim 1, wherein at least about 10%-30% of said multiplicity of bristles are said stiff bristles and the remainder are said soft bristles.
Claim 4
Dependent Claim
17 words
A mascara brush as defined in claim 2, wherein approximately 30% of said bristles are stiff bristles.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-08-28 | 1993-02-27 | 1993-08-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-28 | 1997-02-27 | 1997-08-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-28 | 2001-02-27 | 2001-08-29 | $7700.00 | Window Closed / Lapsed |