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US3689099A Expired / Lapsed US ⏱️ 0.0 years remaining

Baby strollers

Assignee: Individual
•
Filing: 1968-12-04
•
Granted: 1972-09-05
•
Expires: 1988-12-04
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Abstract

Abstract 1. A collapsible baby stroller comprising a plurality of frames including an upper frame, a front frame and a rear frame, a hinge means for swingably connecting the upper ends of the front and rear frame to the upper frame in close proximity to one another in such a manner that the frames can be optionally folded from an erected position wherein the frames are disposed at predetermined angles with respect to one another to a collapsed position wherein the frames are presented in side-by-side relation, frame locking means for holding the frames in the erected position, a backrest hingedly mounted with respect to the frames, a backrest locking means for releasably holding the backrest at a predetermined angle with respect to the frames, a seat, a support means for holding the seat substantially horizontal when the frames are in the erected position, connecting links interconnecting the front and rear frame in spaced relation to the hinge means, means for hingedly connecting the backrest at its lower end to said connecting links, said backrest locking means releasably engaging the upper frame for holding the backrest in a substantially upstanding position.

Inventors

  • 👤 David D Patterson

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-26 11:19
CPC Classifications
B; B62; B62B; B62B7/00; B62B7/04; B62B7/06; B62B7/08; B62B7/12; B62B7/123; B62B7/064; B62B7/066; B62B9/00; B62B9/10; B62B9/102; B62B9/104

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 190 words
A collapsible baby stroller comprising a plurality of frames including an upper frame, a front frame and a rear frame, a hinge means for swingably connection the upper ends of the front and rear frame to the upper frame in close proximity to one another in such a manner that the frames can be optionally folded form an erected position wherein the frames are disposed at predetermined angles with respect to one another to a collapsed position wherein the frames are presented in a side-by-side relation, frame locking means for holding the frames in the erected position, a backrest hingedly mounted with respect to the frames, a backrest locking means for releasably holding the backrest at a predetermined angle with respect to the frames, a seat, a support means for holding the seat substantially horizontal when the frames are in the erected position, connecting links interconnecting the front and rear frame in spaced relation to the hinge means, means for hingedly connecting the backrest at its lower end to said connecting links, said backrest locking means releasably engaging the upper frame for holding the backrest in a substantially upstanding position.
Claim 2
Dependent Claim 190 words
A collapsible baby stroller comprising a plurality of frames including an upper frame, a front frame and a rear frame, a hinge means for swingably connection the upper ends of the front and rear frame to the upper frame in close proximity to one another in such a manner that the frames can be optionally folded form an erected position wherein the frames are disposed at predetermined angles with respect to one another to a collapsed position wherein the frames are presented in a side-by-side relation, frame locking means for holding the frames in the erected position, a backrest hingedly mounted with respect to the frames, a backrest locking means for releasably holding the backrest at a predetermined angle with respect to the frames, a seat, a support means for holding the seat substantially horizontal when the frames are in the erected position, connecting links interconnecting the front and rear frame in spaced relation to the hinge means, means for hingedly connecting the backrest at its lower end to said connecting links, said backrest locking means releasably engaging the upper frame for holding the backrest in a substantially upstanding position.
Claim 3
Dependent Claim 64 words
A baby stroller according to claim 1 and further characterized by a hinge bracket interposed between the handrail and backrest for hingedly securing the handrail to the backrest, the backrest locking means being adapted to engage the hinge bracket when the frames are in the erected position and hold the backrest in a reclined position which is more inclined than the substantially upstanding position.
Claim 4
Dependent Claim 74 words
A baby stroller according to claim 1 and further characterized by a canopy comprising a canopy frame attached to at least one of the frames, a canopy cover fitted over the canopy frame and disposed in upwardly spaced relation to the seat portion, and a transparent member fitted into the canopy cover so that a child riding on the seat can be observed from a position above and to the rear of the stroller.

References Cited (Backward Citations)

US2615725A Cited
US3084949A Cited
US3222081A Cited
US3235279A Cited
US3326570A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-09-05 1976-03-06 1976-09-05 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-09-05 1980-03-06 1980-09-05 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-09-05 1984-03-06 1984-09-05 $7700.00 Window Closed / Lapsed

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