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US4653767A Expired / Lapsed US ⏱️ 0.0 years remaining

Simple bike

Assignee: Individual
•
Filing: 1985-12-06
•
Granted: 1987-03-31
•
Expires: 2005-12-06
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Abstract

Abstract A bicycle having a pair of wheels and a frame formed of two crossing bars that are detachable from each other so as to form a separate unicycle and a pedal bike, one of which includes a handle bar at a top, and the other a seat at its top, while each has one wheel at a lower end.

Inventors

  • 👤 Joseph Gajewski

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-08 14:03
CPC Classifications
B; B62; B62K; B62K13/00; Y; Y10; Y10T; Y10T403/00; Y10T403/70; Y10T403/7001; Y10T403/7003

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 125 words
A simple bike, comprising, in combination, a frame and a pair of wheels upon which said frame is supported, said frame comprising a pair of bars crossing into an X-configuration, coupling means for coupling said crossing bars together to form a bike in the assembled condition, said wheels being respectively at the distal ends of said bars with one wheel defining a front wheel and the other wheel defining a rear wheel, a crank foot pedal axially connected through the front wheel, a foot platform axially connected through the rear wheel, said bike disassembling to form two independently operable cycle devices with one bar and said front wheel forming a standard pedal bike and the other bar and said rear wheel forming a separate unicycle.
Claim 2
Dependent Claim 125 words
A simple bike, comprising, in combination, a frame and a pair of wheels upon which said frame is supported, said frame comprising a pair of bars crossing into an X-configuration, coupling means for coupling said crossing bars together to form a bike in the assembled condition, said wheels being respectively at the distal ends of said bars with one wheel defining a front wheel and the other wheel defining a rear wheel, a crank foot pedal axially connected through the front wheel, a foot platform axially connected through the rear wheel, said bike disassembling to form two independently operable cycle devices with one bar and said front wheel forming a standard pedal bike and the other bar and said rear wheel forming a separate unicycle.
Claim 3
Dependent Claim 36 words
The combination as set forth in claim 1, wherein said frame comprises a pair of crossing, tubular bars, a collar formed integral on one said bar for the other said bar to be inserted removably therethrough.
Claim 4
Dependent Claim 25 words
The combination as set forth in claim 2, wherein a seat unit is removably attached on an upper end of a first one said bars.
Claim 5
Dependent Claim 27 words
The combination as set forth in claim 3, wherein a handle bar unit is removably attached upon an upper end of a second one of said bars.
Claim 6
Dependent Claim 37 words
The combination as set forth in claim 4, wherein one said wheel is removably attached to a lower end of the first said bar, and pedal means are provided for said wheel to form said pedal bike.
Claim 7
Dependent Claim 29 words
The combination as set forth in claim 5, wherein the other said wheel is removably attached to a lower end of the second said bar to form said unicycle.

References Cited (Backward Citations)

US1697994A Cited
AT233971B Cited
US3220748A Cited
US3437351A Cited
US3658354A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1990-03-30 1990-09-29 1991-03-31 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1994-03-30 1994-09-29 1995-03-31 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1998-03-30 1998-09-29 1999-03-31 $7700.00 Window Closed / Lapsed

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