Patent US3822499A successfully refreshed from Google Patents.
US3822499A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Toy building block suitable for a pad, raft or the like
Assignee: Individual
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Filing: 1972-05-30
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Granted: 1974-07-09
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Expires: 1992-05-30
Abstract
Abstract The present invention is a semi-rigid polymeric foam toy suitable for use as a toy building block. Its softness and larger size make it suitable for constructing wrestling mats and floatable rafts. Its lightness make lifting and throwing relatively easy for a child. The block has sockets and one integral projection for connecting to other blocks and the projection serves as a handle when the block is used as a throwing toy in various games.
Inventors
- 👤 Vos J De
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 20:55
CPC Classifications
A; A63; A63H; A63H33/00; A63H33/04; A63H33/10; A63H33/108; A63F; A63F9/00; A63F9/06; A63F9/12; A63F9/1208; A63F2009/1216; A63F2009/122; A63F2250/00; A63F2250/18; A63F2250/183; Y; Y10; Y10S; Y10S273/00; Y10S273/08; Y10S52/00; Y10S52/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
A plurality of semi-rigid plastic foam toy building blocks suitable for forming a pad for wrestling, a floatable raft, and the like, each said block having a generally cube shaped body providing six planar surfaces and said block having eight truncated corners, thereby providing the six planar surfaces with the shape of an octagon, one of said planar surfaces having an integral protuberance providing a hand graspable handle and comprising a cylindrical portion projecting from said surface and a spheroidal head, and the other five planar surfaces each having an opening for receiving said protuberance, detachable linking means having a cylindrical body portion interconnecting rounded spheroidal end pieces and said end pieces adapted for insertion into said openings whereby the cylindrical body portion and the other of the spheroidal end pieces will provide a protrusion extending from said cube shaped body.
Claim 2
Dependent Claim
141 words
A plurality of semi-rigid plastic foam toy building blocks suitable for forming a pad for wrestling, a floatable raft, and the like, each said block having a generally cube shaped body providing six planar surfaces and said block having eight truncated corners, thereby providing the six planar surfaces with the shape of an octagon, one of said planar surfaces having an integral protuberance providing a hand graspable handle and comprising a cylindrical portion projecting from said surface and a spheroidal head, and the other five planar surfaces each having an opening for receiving said protuberance, detachable linking means having a cylindrical body portion interconnecting rounded spheroidal end pieces and said end pieces adapted for insertion into said openings whereby the cylindrical body portion and the other of the spheroidal end pieces will provide a protrusion extending from said cube shaped body.
References Cited (Backward Citations)
GB189414957A
Cited
US2660194A
Cited
GB870810A
Cited
US3389493A
Cited
FR1501932A
Cited
US3518786A
Cited
US3659360A
Cited
US3628790A
Cited
US3706473A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-07-08 | 1978-01-07 | 1978-07-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-08 | 1982-01-07 | 1982-07-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-08 | 1986-01-07 | 1986-07-09 | $7700.00 | Window Closed / Lapsed |