US5402573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Twin blade spray razor
Assignee: AURORA DAWN Ltd ISRAELI Co
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Filing: 1994-05-16
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Granted: 1995-04-04
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Expires: 2014-05-16
Abstract
Abstract A twin-blade safety razor comprising a two compartment handle or bulb, one for storing air, the other for storing a liquid. Air and liquid are simultaneously dispensed from the separate compartments so as to form a fine spray for cleaning debris from between the blades of the razor assembly or for cleaning a part of the body to be shaved.
Inventors
- 👤 Shlomo Laniado
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:52
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/40; B26B21/44; B26B21/446; B26B21/52
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
162 words
A safety razor comprising: a head assembly having fixed thereto a safety razor cartridge having at least one blade in a predetermined spaced relationship to the head assembly, a handle attached to the head assembly, said handle comprising an air tube having a first end anchored in the head assembly so as to lie proximate the at least one blade in said cartridge when the cartridge is fixed to the head assembly, air pumping means connected to a second end of the air tube for pumping air therethrough, a liquid pumping means for storing a quantity of liquid, and a liquid tube having a first end anchored in the head assembly proximate the air tube and having a second end coupled to the liquid pumping means, whereby operating the air pumping means and the liquid pumping means simultaneously emits the air and the liquid as a spray proximate the at least one blade when the cartridge is fixed to the head assembly.
Claim 2
Dependent Claim
162 words
A safety razor comprising: a head assembly having fixed thereto a safety razor cartridge having at least one blade in a predetermined spaced relationship to the head assembly, a handle attached to the head assembly, said handle comprising an air tube having a first end anchored in the head assembly so as to lie proximate the at least one blade in said cartridge when the cartridge is fixed to the head assembly, air pumping means connected to a second end of the air tube for pumping air therethrough, a liquid pumping means for storing a quantity of liquid, and a liquid tube having a first end anchored in the head assembly proximate the air tube and having a second end coupled to the liquid pumping means, whereby operating the air pumping means and the liquid pumping means simultaneously emits the air and the liquid as a spray proximate the at least one blade when the cartridge is fixed to the head assembly.
Claim 3
Dependent Claim
32 words
The razor according to claim 1, wherein the safety razor cartridge contains two spaced-apart blades and the first end of both the air tube and liquid tube are anchored between said blades.
Claim 4
Dependent Claim
18 words
The razor according to claim 2, wherein the air pumping means and the liquid pumping means are integral.
Claim 5
Dependent Claim
35 words
The razor according to claim 3, further including an adjustment means connected to at least one of the air tube and the liquid tube for adjusting an air-to-liquid ratio ejected by the integral pumping means.
Claim 6
Dependent Claim
23 words
The razor according to claim 4, wherein the adjustment means is a mixer valve interconnected between the air tube and the liquid tube.
Claim 7
Dependent Claim
78 words
The razor according to claim 3, wherein the air pumping means and the liquid pumping means comprise: a flexible hollow bulb having separate first and second compartments, the first compartment for containing air and the second compartment sewing as a reservoir for storing the liquid therein, a one-way valve in the first compartment for admitting air therethrough into the first compartment, and an entry orifice in the second compartment for pouring the liquid therethrough when filling the reservoir.
Claim 8
Dependent Claim
16 words
The razor according to claim 6, wherein the second compartment is contained within the first compartment.
Claim 9
Dependent Claim
16 words
The razor according to claim 6, wherein the first compartment is contained within the second compartment.
Claim 10
Dependent Claim
35 words
The razor according to claim 6, further including an adjustment means connected to at least one of the air tube and the liquid tube for adjusting an air-to-liquid ratio ejected by the integral pumping means.
Claim 11
Dependent Claim
23 words
The razor according to claim 8, wherein the adjustment means is a mixer valve interconnected between the air tube and the liquid tube.
Claim 12
Dependent Claim
54 words
The razor according to claim 1, wherein: the first end of the air tube includes at least two branches anchored towards opposite ends of the head assembly, and the first end of the liquid tube includes at least two pairs of branches each pair being disposed proximate a corresponding branch of the air tube.
Claim 13
Dependent Claim
12 words
The razor according to claim 1, wherein the liquid contains an antiseptic.
References Cited (Backward Citations)
US1852708A
Cited
US2037588A
Cited
US2780862A
Cited
US3139683A
Cited
US3412465A
Cited
DE2514174A1
Cited
US4238882A
Cited
DE3142178A1
Cited
US4480387A
Cited
FR2542660A1
Cited
US4696106A
Cited
US4941492A
Cited
US5121541A
Cited
US5241751A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-04-03 | 1998-10-03 | 1999-04-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-04-03 | 2002-10-03 | 2003-04-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-04-03 | 2006-10-03 | 2007-04-04 | $7700.00 | Window Closed / Lapsed |