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Class Information
Number: 280/643
Name: Land vehicles > Wheeled > Extensible > Folding > Pivoted wheel carrier > Transverse axis > Three- or four-wheeled chair, baby carriage, or stroller > Convertible
Description: Folding vehicles designed to provide a secondary function different from a primary function, by the addition, subtraction or rearrangement of parts; e.g., carriage to stroller or bed to seat.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 4989888 |
Combination child restraint and stroller |
Feb. 5, 1991 |
| 4984813 |
Shopping pushcart |
Jan. 15, 1991 |
| 4974870 |
Lightweight, compact, erectable/collapsible wheeled seat |
Dec. 4, 1990 |
| 4921261 |
Infant conversion stroller |
May. 1, 1990 |
| 4915401 |
Child carrier usable as backpack, stroller and recliner |
Apr. 10, 1990 |
| 4902026 |
Convertible car seat apparatus |
Feb. 20, 1990 |
| 4886289 |
Tandem baby carriage with facing seats |
Dec. 12, 1989 |
| 4878680 |
Stroller car seat |
Nov. 7, 1989 |
| 4874182 |
Stroller apparatus for juvenile car seat |
Oct. 17, 1989 |
| 4872693 |
Combination infant seat and stroller |
Oct. 10, 1989 |
| 4872692 |
Convertible carriage with biased wheel retraction |
Oct. 10, 1989 |
| 4858947 |
Folding tandem seat baby carriage |
Aug. 22, 1989 |
| 4852894 |
Apparatus for converting a car seat to a stroller |
Aug. 1, 1989 |
| 4846521 |
Foot cover for baby buggy |
Jul. 11, 1989 |
| 4834403 |
Combined infant car-seat and stroller |
May. 30, 1989 |
| 4832354 |
Combination stroller and car seat |
May. 23, 1989 |
| 4832361 |
Foldable baby carriage |
May. 23, 1989 |
| 4822064 |
Combination child vehicle seat and stroller |
Apr. 18, 1989 |
| 4786064 |
Convertible infant seat |
Nov. 22, 1988 |
| 4779879 |
Baby carriage |
Oct. 25, 1988 |
| 4768795 |
Multi-purpose stroller with detachable frame |
Sep. 6, 1988 |
| 4762256 |
Convertible stroller-backpack baby carrier |
Aug. 9, 1988 |
| 4762331 |
Combination automobile seat and stroller |
Aug. 9, 1988 |
| 4753453 |
Attachment for baby pusher |
Jun. 28, 1988 |
| 4746140 |
Baby carriage |
May. 24, 1988 |
| 4741056 |
Baby carriage seat extension member |
May. 3, 1988 |
| 4736959 |
Convertible carriage |
Apr. 12, 1988 |
| 4725071 |
Tandem stroller |
Feb. 16, 1988 |
| 4685688 |
Combined child safety car seat and stroller |
Aug. 11, 1987 |
| 4679804 |
Convertible auto restrainer seat (car set) |
Jul. 14, 1987 |
| 4647054 |
Combined stroller chair and automobile restraint seat |
Mar. 3, 1987 |
| 4641844 |
Babyler folding baby stroller for multiple uses |
Feb. 10, 1987 |
| 4632409 |
Combination automobile infant seat and baby stroller assembly |
Dec. 30, 1986 |
| 4620711 |
Multi-function child carrier |
Nov. 4, 1986 |
| 4616371 |
Bed for baby carriages |
Oct. 14, 1986 |
| 4602395 |
Baby carriage bed |
Jul. 29, 1986 |
| 4577355 |
Frame structure for baby carriage bed |
Mar. 25, 1986 |
| 4435012 |
Seat assembly for baby carriages |
Mar. 6, 1984 |
| 4157839 |
Baby carriage accessory |
Jun. 12, 1979 |
| 3984115 |
Convertible baby carrier |
Oct. 5, 1976 |
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