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US5287624A Expired / Lapsed US ⏱️ 0.0 years remaining

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Assignee: Individual
•
Filing: 1993-01-04
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Granted: 1994-02-22
•
Expires: 2013-01-04
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Abstract

Abstract An improved disposable safety razor is provided which consists of an elongated handle with a head having a convex top surface and a flat bottom surface attached to an upper end of the elongated handle. A pair of single cutting edge razor blades are clamped parallel within the head with the cutting edges angled outwardly and upwardly in opposite direction from the convex top surface of the head, so as to be useful in shaving in both forward and rearward strokes.

Inventors

  • 👤 Luciano G. Mondo
  • 👤 George Spector

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-28 05:25
CPC Classifications
B; B26; B26B; B26B21/00; B26B21/40; B26B21/44; B26B21/446; B26B21/02; B26B21/06; B26B21/08; B26B21/14; B26B21/16

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 82 words
A disposable safety razor which comprises: a) an elongated handle; b) a head with an external cavity having symmetrical spaced openings in a convex top surface attached to an upper end of said elongated handle; and c) a symmetrical pair of single razor blades mounted in said head within said openings with said blades angled to extend outwardly and upwardly in opposite directions from said openings in the convex top surface of said head, for shaving in both forward and rearward strokes.
Claim 2
Dependent Claim 82 words
A disposable safety razor which comprises: a) an elongated handle; b) a head with an external cavity having symmetrical spaced openings in a convex top surface attached to an upper end of said elongated handle; and c) a symmetrical pair of single razor blades mounted in said head within said openings with said blades angled to extend outwardly and upwardly in opposite directions from said openings in the convex top surface of said head, for shaving in both forward and rearward strokes.
Claim 3
Dependent Claim 201 words
A disposable safety razor as recited in claim 1, further including: a) said elongated handle having a chamber therein to hold pressurized shaving cream; b) means at a lower end of said elongated handle for releasing the shaving cream from within the chamber; and c) a safety cap threaded to the lower end of said elongated handle for covering said shaving cream releasing means; wherein said shaving cream releasing means includes: d) an outlet nozzle having a fluid connection to said chamber at the lower end of said elongated handle, said nozzle bent at a right angle thereto; e) a flap valve in said chamber secured to an inner surface of the lower end of said elongated handle to seal the fluid connection of said nozzle, said flap valve having an aperture therethrough not in alignment with the fluid connection of said nozzle; and f) a spring biased push button located at the lower end of said elongated handle to engage with said flap valve, so that when said push button is pushed inward it will open said flap valve to allow the shaving cream to pass through the aperture and said open valve to enter said nozzle and exit therefrom.
Claim 4
Dependent Claim 145 words
A disposable safety razor as recited in claim 1, further including a shaving cream chamber in said handle with means for dispensing the shaving cream comprising: a) a cap adjustable mounted on said lower end with an outlet nozzle extending outwardly through an outlet port from said chamber; b) a flap valve in said chamber normally sealing said outlet port; said flap valve having an aperture therethrough not in alignment with said port; c) said cap having a slot through which said nozzle extends therethrough; and d) a rod extending inwardly from said cap through said lower end of said elongated handle to engage with said flap valve, so that when said safety cap is adjusted said rod will open said flap valve to allow the shaving creams to pass through said aperture and said open flap valve to enter said nozzle and exit therefrom.

References Cited (Backward Citations)

US3417468A Cited
US3703765A Cited
US4129942A Cited
US4501066A Cited
US4635361A Cited
US4791723A Cited
US4696106A Cited
US4809432A Cited
US4813138A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1997-02-21 1997-08-23 1998-02-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 2001-02-21 2001-08-23 2002-02-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 2005-02-21 2005-08-23 2006-02-22 $7700.00 Window Closed / Lapsed

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