Patent US4761139A successfully refreshed from Google Patents.
US4761139A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drawing board type amusement device
Assignee: Individual
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Filing: 1986-05-27
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Granted: 1988-08-02
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Expires: 2006-05-27
Abstract
Abstract A drawing board type amusement device, comprises a rigid board, a backing sheet overlying the board, and a masking member overlying the backing sheet and including a masking layer of opaque material which flows under the localized pressure of a stylus or finger to expose the underlying backing sheet along the areas in which the localized pressure is applied. The backing sheet is of longer length than the rigid board and is wound between a pair of rotatable spools at the ends of the board to permit different sections of the sheet to be aligned with the masking member.
Inventors
- 👤 Gideon Mashiach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 17:17
CPC Classifications
B; B43; B43L; B43L1/00; B43L1/12; B43L1/123; B43L1/126
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
99 words
A drawing board type amusement device, comprising a rigid board, a backing sheet overlying the board, and a masking member overlying the backing sheet and including a masking layer of opaque material which flows under localized pressure of a stylus or finger to expose the backing sheet along areas in which the localized pressure is applied; characterized in that said backing sheet is of longer length than said rigid board and is wound between a pair of rotatable spools at opposite ends of the board to permit different sections of the sheet to be aligned with said masking member.
Claim 2
Dependent Claim
99 words
A drawing board type amusement device, comprising a rigid board, a backing sheet overlying the board, and a masking member overlying the backing sheet and including a masking layer of opaque material which flows under localized pressure of a stylus or finger to expose the backing sheet along areas in which the localized pressure is applied; characterized in that said backing sheet is of longer length than said rigid board and is wound between a pair of rotatable spools at opposite ends of the board to permit different sections of the sheet to be aligned with said masking member.
Claim 3
Dependent Claim
37 words
The device according to claim 1, wherein said backing sheet is at least twice as long as said board to permit at least two completely different sections of the sheet to be disposed under said masking member.
Claim 4
Dependent Claim
26 words
The device according to claim 1, wherein said backing sheet includes different colors on different sections thereof to permit objects of different colors to be drawn.
Claim 5
Dependent Claim
37 words
The device according to claim 1, wherein said rigid board includes a rectangular frame circumscribing said masking member and the underlying section of said backing sheet, said spools being disposed within opposite ends of said rectangular frame.
Claim 6
Dependent Claim
26 words
The device according to claim 4, wherein each of said spools includes at least one finger-gripping knob projecting from the frame for manipulation by the user.
Claim 7
Dependent Claim
18 words
The device according to claim 5, wherein each spool includes two finger-gripping knobs at the opposite ends thereof.
Claim 8
Dependent Claim
32 words
The device according to claim 1, wherein said masking member comprises a pair of transparent sheets sealed to each other along their peripheries, and a pressure-flowable opaque material between said sealed sheets.
Claim 9
Dependent Claim
115 words
A drawing board type amusement device, comprising a rigid board, a backing sheet overlying the board, and a masking member overlying the backing sheet and including a masking layer of opaque material which flows under localized pressure of a stylus or finger to expose the backing sheet along areas in which the localized pressure is applied; said backing sheet being of longer length than said rigid board and being wound between a pair of rotatable spools at opposite ends of the board to permit different sections of the sheet to be aligned with said masking member; said backing sheet including different color on different sections thereof to permit objects of different colors to be drawn.
Claim 10
Dependent Claim
115 words
A drawing board type amusement device, comprising a rigid board, a backing sheet overlying the board, and a masking member overlying the backing sheet and including a masking layer of opaque material which flows under localized pressure of a stylus or finger to expose the backing sheet along areas in which the localized pressure is applied; said backing sheet being of longer length than said rigid board and being wound between a pair of rotatable spools at opposite ends of the board to permit different sections of the sheet to be aligned with said masking member; said backing sheet including different color on different sections thereof to permit objects of different colors to be drawn.
Claim 11
Dependent Claim
37 words
The device according to claim 8, wherein said backing sheet is at least twice as long as said board to permit at least two completely different sections of the sheet to be disposed under said masking member.
Claim 12
Dependent Claim
37 words
The device according to claim 8, wherein said rigid board includes a rectangular frame circumscribing said masking member and the underlying section of said backing sheet, said spools being disposed within opposite ends of said rectangular frame.
Claim 13
Dependent Claim
26 words
The device according to claim 10, wherein each of said spools includes at least one finger-gripping knob projecting from the frame for manipulation by the user.
Claim 14
Dependent Claim
18 words
The device according to claim 11, wherein each spool includes two finger-gripping knobs at the opposite ends thereof.
Claim 15
Dependent Claim
32 words
The device according to claim 8, wherein said masking member comprises a pair of transparent sheets sealed to each other along their peripheries, and a pressure-flowable opaque material between said sealed sheets.
Claim 16
Dependent Claim
121 words
A drawing board type amusement device, comprising a rigid board, a backing sheet overlying the board, and a masking member overlying the backing sheet and including a masking layer of opaque material which flows under localized pressure of a stylus or finger to expose the backing sheet along areas in which the localized pressure is applied; said masking member comprising a pair of transparent sheets sealed to each other along their peripheries, and a pressure-flowable opaque material between said sealed sheets; said backing sheet being of longer length than said rigid board and being wound between a pair of rotatable spools at opposite ends of the board to permit different sections of the sheet to be aligned with said masking member.
Claim 17
Dependent Claim
121 words
A drawing board type amusement device, comprising a rigid board, a backing sheet overlying the board, and a masking member overlying the backing sheet and including a masking layer of opaque material which flows under localized pressure of a stylus or finger to expose the backing sheet along areas in which the localized pressure is applied; said masking member comprising a pair of transparent sheets sealed to each other along their peripheries, and a pressure-flowable opaque material between said sealed sheets; said backing sheet being of longer length than said rigid board and being wound between a pair of rotatable spools at opposite ends of the board to permit different sections of the sheet to be aligned with said masking member.
Claim 18
Dependent Claim
37 words
The device according to claim 14, wherein said backing sheet is at least twice as long as said board to permit at least two completely different sections of the sheet to be disposed under said masking member.
Claim 19
Dependent Claim
26 words
The device according to claim 14, wherein said backing sheet includes different colors on different sections thereof to permit objects of different colors to be drawn.
Claim 20
Dependent Claim
37 words
The device according to claim 14, wherein said rigid board includes a rectangular frame circumscribing said masking member and the underlying section of said backing sheet, said spools being disposed within opposite ends of said rectangular frame.
Claim 21
Dependent Claim
26 words
The device according to claim 17, wherein each of said spools includes at least one finger-gripping knob projecting from the frame for manipulation by the user.
Claim 22
Dependent Claim
18 words
The device according to claim 18, wherein each spool includes two finger-gripping knobs at the opposite ends thereof.
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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) | 1991-08-02 | 1992-02-01 | 1992-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-08-02 | 1996-02-01 | 1996-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-08-02 | 2000-02-01 | 2000-08-02 | $7700.00 | Window Closed / Lapsed |