US4840374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Game utilizing the sense of touch
Assignee: Individual
•
Filing: 1987-07-02
•
Granted: 1989-06-20
•
Expires: 2007-07-02
Abstract
Abstract A game or training device for developing manual dexterity of the sense of touch of individuals, particularly sightless individuals which comprises a hollow container having two open opposed ends with a partition interposed, said partition having apertures matching the shape of blocks which the user touches and manipulates through the apertures without the use of eyesight.
Inventors
- 👤 Robert M. Skinner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 16:00
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/06; A63F9/0001; A63F2009/0003; A63F9/0666; A63F2009/0668; A63F2250/00; A63F2250/02; A63F2250/025
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
56 words
A game or training device comprising a hollow container having two sections with open ends and with an aperture plate having a plurality of apertures of different sizes interposed between said two sections, the two sections being separable for removal of the aperture plate with suitable means for holding said sections together in an assembled relation.
Claim 2
Dependent Claim
56 words
A game or training device comprising a hollow container having two sections with open ends and with an aperture plate having a plurality of apertures of different sizes interposed between said two sections, the two sections being separable for removal of the aperture plate with suitable means for holding said sections together in an assembled relation.
Claim 3
Dependent Claim
24 words
The game or training device described in claim 1 having a plurality of solid forms shaped to fit respective apertures in said aperture plate.
Claim 4
Dependent Claim
15 words
The game or training device described in claim 1 which is operable entirely by touch.
Claim 5
Dependent Claim
16 words
The game or training device described in claim 1 wherein the hollow container is tubular shaped.
Claim 6
Dependent Claim
17 words
The game or training device described in claim 1 wherein the hollow container is a cylindrical section.
Claim 7
Dependent Claim
21 words
The game or training device described in claim 1 having a cross-section sufficiently large to permit user's hands to fit therein.
Claim 8
Dependent Claim
40 words
The game or training device described in claim 1 wherein the aperture plate is securely interposed between said two sections by fitting within a shoulder defined in the ends of the two sections that meet to form a hollow container.
References Cited (Backward Citations)
GB370080A
Cited
US741903A
Cited
US947124A
Cited
US2747297A
Cited
US3280499A
Cited
US3484105A
Cited
US4008526A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-06-19 | 1992-12-19 | 1993-06-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-06-19 | 1996-12-19 | 1997-06-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-06-19 | 2000-12-19 | 2001-06-20 | $7700.00 | Window Closed / Lapsed |