Patent US4653767A successfully refreshed from Google Patents.
US4653767A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Simple bike
Assignee: Individual
•
Filing: 1985-12-06
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Granted: 1987-03-31
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Expires: 2005-12-06
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 14:15
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)
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 |