US4387925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Bicycle seat
Assignee: JB TWO LP
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Filing: 1980-06-30
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Granted: 1983-06-14
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Expires: 2000-06-30
Abstract
Abstract A bicycle seat including two support portions immovably mounted on a support member. The top surface is curved in a particular manner.
Inventors
- 👤 Joel A. Barker
- 👤 Jeffrey Birch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 19:52
CPC Classifications
B; B62; B62J; B62J1/00; B62J1/08; B62J1/002; B62J1/005
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
136 words
A bicycle seat including a pair of support platforms and means for mounting said support platforms on a bicycle, each of said platforms being a mirror image of the other, each of said support platforms including an upwardly facing cup-like portion for supporting engagement with one of a bicycle rider's buttocks and a convex downwardly and forwardly extending portion for supporting engagement with the upper leg portion of the rider, said support platforms being pivotable with respect to each other, whereby a person riding a bicycle including said seat may sit with one buttock resting in each cup-like portion and one upper leg portion resting on each of said convex portions and whereby the rider may pedal the bicycle with the rider's weight consistently and uniformly distributed along each of said cup-like portions and convex portions.
Claim 2
Dependent Claim
136 words
A bicycle seat including a pair of support platforms and means for mounting said support platforms on a bicycle, each of said platforms being a mirror image of the other, each of said support platforms including an upwardly facing cup-like portion for supporting engagement with one of a bicycle rider's buttocks and a convex downwardly and forwardly extending portion for supporting engagement with the upper leg portion of the rider, said support platforms being pivotable with respect to each other, whereby a person riding a bicycle including said seat may sit with one buttock resting in each cup-like portion and one upper leg portion resting on each of said convex portions and whereby the rider may pedal the bicycle with the rider's weight consistently and uniformly distributed along each of said cup-like portions and convex portions.
Claim 3
Dependent Claim
19 words
The bicycle seat of claim 1 wherein said support platforms each provide approximately 22 square inches of support area.
Claim 4
Dependent Claim
122 words
A bicycle seat comprising: a pair of support portions pivotally mounted on a horizontal mounting bar, said mounting bar being adapted for attachment to a bicycle, said pivotal mounting providing said support portions with a limited amount of free tilting movement about the axis of the horizontal mounting bar to permit unobstructed pedaling motion of the legs, the shape of the upper surface of said support portions conforming to the shape of a human body in the buttock and upper leg region, said upper surface including a concave spherical portion integrally connected to a convex forwardly and downwardly extending portion, said spherical portion serving to support the buttocks and the convex portion serving to support the upper leg portion of the rider.
Claim 5
Dependent Claim
122 words
A bicycle seat comprising: a pair of support portions pivotally mounted on a horizontal mounting bar, said mounting bar being adapted for attachment to a bicycle, said pivotal mounting providing said support portions with a limited amount of free tilting movement about the axis of the horizontal mounting bar to permit unobstructed pedaling motion of the legs, the shape of the upper surface of said support portions conforming to the shape of a human body in the buttock and upper leg region, said upper surface including a concave spherical portion integrally connected to a convex forwardly and downwardly extending portion, said spherical portion serving to support the buttocks and the convex portion serving to support the upper leg portion of the rider.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-06-13 | 1986-12-13 | 1987-06-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-06-13 | 1990-12-13 | 1991-06-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-06-13 | 1994-12-13 | 1995-06-14 | $7700.00 | Window Closed / Lapsed |