Patent US1245475A successfully refreshed from Google Patents.
Patent US4838828A successfully refreshed from Google Patents.
US4838828A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Endless rail for running toy
Assignee: Toybox Corp
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Filing: 1988-05-26
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Granted: 1989-06-13
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Expires: 2008-05-26
Abstract
Abstract An endless rail for a running toy is described. The rail includes a plurality of block bodies, each having a guide groove formed on a top surface thereof. Each block body is in the shape of an alphabet letter or symbol. Each guide groove is open to at least one end surface of the block body. A female fitting portion and a male fitting portion are formed adjacent each opening of the guide groove to connect block bodies together and communicate the guide grooves. The running toy is provided with a guide pin fitted into the communicated grooves.
Inventors
- 👤 Nobuyoshi Ohnuma
- 👤 Akio Ueda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 02:21
CPC Classifications
A; A63; A63H; A63H18/00; A63H18/02
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
153 words
An endless rail for a running toy, comprising: (a) a first plurality of block bodies, each configured in a different shape and including a guide groove formed on a top surface thereof opening to and extending from one end surface to another end surface of said block body; (b) a second plurality of block bodies, each configured in a different shape and including a guide groove formed on a top surface thereof opening to and extending form one end surface to the same end surface of said block body, wherein each of the first and second pluralities of block bodies is configured as an alphabet letter; (c) means formed on each block body for connecting the first and second pluralities of block bodies such that the guide grooves are connected to form an endless rail; and (d) a single toy for running along the endless rail by cooperating with the connected guide grooves.
Claim 2
Dependent Claim
153 words
An endless rail for a running toy, comprising: (a) a first plurality of block bodies, each configured in a different shape and including a guide groove formed on a top surface thereof opening to and extending from one end surface to another end surface of said block body; (b) a second plurality of block bodies, each configured in a different shape and including a guide groove formed on a top surface thereof opening to and extending form one end surface to the same end surface of said block body, wherein each of the first and second pluralities of block bodies is configured as an alphabet letter; (c) means formed on each block body for connecting the first and second pluralities of block bodies such that the guide grooves are connected to form an endless rail; and (d) a single toy for running along the endless rail by cooperating with the connected guide grooves.
Claim 3
Dependent Claim
23 words
The rail as recited in claim 1, wherein the running toy is provided with a guide pin fitted into said connected guide grooves.
Claim 4
Dependent Claim
79 words
The rail as recited in claim 1, wherein the connecting means comprises: (a) a female fitting portion and a male fitting portion formed on each end surface of the first plurality of block bodies; and (b) a female fitting portion and a male fitting portion formed on said end surface of each of said second plurality of block bodies, wherein each female fitting portion includes an opening and each male fitting portion includes a pair of flanges extending outwardly.
Claim 5
Dependent Claim
36 words
The rail as recited in claim 1, further comprising: (e) a stationary projection formed on the top surface of at least one of the block bodies for engaging and changing the direction of the running toy.
Claim 6
Dependent Claim
34 words
The rail as recited in claim 4, further comprising: (f) projections formed on the running toy for engaging the projections formed on the top surface of the at least one of the block bodies.
Claim 7
Dependent Claim
36 words
The rail as recited in claim 1, further comprising: (e) a hole formed in the top surface of at least one of the block bodies; and (f) a projecting element including indicia received by the hole.
References Cited (Backward Citations)
GB678294A
Cited
US2794296A
Cited
GB916069A
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FR1352734A
Cited
GB1110341A
Cited
US4564197A
Cited
GB2187651A
Cited
JPH0512480A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-06-12 | 1992-12-12 | 1993-06-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-12 | 1996-12-12 | 1997-06-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-12 | 2000-12-12 | 2001-06-13 | $7700.00 | Window Closed / Lapsed |