Patent US3924280A successfully refreshed from Google Patents.
US3924280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Portable play pen
Assignee: Individual
•
Filing: 1974-06-07
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Granted: 1975-12-09
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Expires: 1994-06-07
Abstract
Abstract A foldable, portable play pen comprising a floor of a plurality of hinged triangular foldable sections. Vertically erectable posts are hingedly secured to the floor''s corners. The walls of the play pen are formed of a netting of sturdy material secured to the posts and the floor edges. Bumper are secured between the top portions of the posts and top edges of the netting.
Inventors
- 👤 Vincent Vaiano
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:10
CPC Classifications
A; A47; A47D; A47D13/00; A47D13/06; A47D13/061; A47D13/063
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
189 words
A portable, foldable play pen comprising a floor made of a plurality of flat triangular sections having a base and intersecting sides, a plurality of flat quandrangular sections arranged alternately of said triangular sections, a plurality of flat spacers disposed adjacent intermediate one of the sides of said triangular and said quadrangular sections, means permanently hingedly securing said sections to one another, a plurality of vertically erectable spaced posts hingedly secured to said quadrangular sections, hinge means for said posts, means for rigidly securing said posts in erected position, a netting secured to said posts and to the outer edges of said sections, said netting forming walls of said play pen and bumpers attached to the top portions of said posts and top edges of said netting, said triangular, said quadrangular sections, when folded in accordion-like fashion, forming chambers with spacers for receiving said posts, said hinge means being a pair of angularly disposed plates terminating as hinge pins opposed to one another said plates being secured to said foldable sections, posts having lower end portions provided with a first pair of aligned holes for receiving said hinge pins.
Claim 2
Dependent Claim
189 words
A portable, foldable play pen comprising a floor made of a plurality of flat triangular sections having a base and intersecting sides, a plurality of flat quandrangular sections arranged alternately of said triangular sections, a plurality of flat spacers disposed adjacent intermediate one of the sides of said triangular and said quadrangular sections, means permanently hingedly securing said sections to one another, a plurality of vertically erectable spaced posts hingedly secured to said quadrangular sections, hinge means for said posts, means for rigidly securing said posts in erected position, a netting secured to said posts and to the outer edges of said sections, said netting forming walls of said play pen and bumpers attached to the top portions of said posts and top edges of said netting, said triangular, said quadrangular sections, when folded in accordion-like fashion, forming chambers with spacers for receiving said posts, said hinge means being a pair of angularly disposed plates terminating as hinge pins opposed to one another said plates being secured to said foldable sections, posts having lower end portions provided with a first pair of aligned holes for receiving said hinge pins.
Claim 3
Dependent Claim
20 words
The play pen as claimed in claim 1, wherein said means for securing said foldable section is a flexible fabric.
Claim 4
Dependent Claim
46 words
The play pen as claimed in claim 1, wherein said means for rigidly securing said posts in rigid position is a lock pin slidably secured to one of said foldable sections; said lower end portions having a second pair of holes for receiving said lock pins.
Claim 5
Dependent Claim
32 words
The play pen as claimed in claim 1, wherein said posts are provided with semispherical bumpers on their lower end portions, and asymmetrically irregularly arranged semispherical bumpers on said hinged foldable sections.
Claim 6
Dependent Claim
23 words
The play pen as claimed in claim 1, wherein said bumpers are made of a resilient material core, enclosed in a fabric covering.
Claim 7
Dependent Claim
36 words
The play pen as claimed in claim 1, further provided with a flexible handle for folding said hinged foldable sections, a pair of said sections having apertures for the passage of the ends of said handle.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
US3789439A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-12-08 | 1979-06-09 | 1979-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-08 | 1983-06-09 | 1983-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-08 | 1987-06-09 | 1987-12-09 | $7700.00 | Window Closed / Lapsed |