US4858931A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic dice
Assignee: Individual
•
Filing: 1984-11-27
•
Granted: 1989-08-22
•
Expires: 2004-11-27
Abstract
Abstract An electronic device actuated by a manually generated movement to generate two independent and random set of electronic pulses resulting in a display of two independent sets of dots or digits from one to six inclusive representative of a dice display.
Inventors
- 👤 Ian C. McKechnie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:36
CPC Classifications
A; A63; A63F; A63F9/00; A63F9/04; A63F9/0468
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A cubic enclosure comprising: a battery, an electronic circuit comprising a pair of counter means each having an input, a pair of single pole, single throw inertia switches, one of each interposed between the input of each of said counter means and said battery, said counter means being actuated by pulses generated in a random manner by a series of intermittent contacts occurring between the poles in said inertia switches when erratic movement is manually imparted to said enclosure, and two display surfaces on the top of said enclosure, said display surfaces each comprising exposable displays of dots positioned to represent the dots on a die, said counter means each causing a random number on each display of form one through six to be illuminated when the erratic movement ceases.
Claim 2
Dependent Claim
130 words
A cubic enclosure comprising: a battery, an electronic circuit comprising a pair of counter means each having an input, a pair of single pole, single throw inertia switches, one of each interposed between the input of each of said counter means and said battery, said counter means being actuated by pulses generated in a random manner by a series of intermittent contacts occurring between the poles in said inertia switches when erratic movement is manually imparted to said enclosure, and two display surfaces on the top of said enclosure, said display surfaces each comprising exposable displays of dots positioned to represent the dots on a die, said counter means each causing a random number on each display of form one through six to be illuminated when the erratic movement ceases.
References Cited (Backward Citations)
US2849819A
Cited
CH383237A
Cited
US3357703A
Cited
US3459427A
Cited
US3592473A
Cited
US3709499A
Cited
US4213524A
Cited
US4124881A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1992-08-21 | 1993-02-20 | 1993-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-21 | 1997-02-20 | 1997-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-21 | 2001-02-20 | 2001-08-22 | $7700.00 | Window Closed / Lapsed |