Patent US3922944A successfully refreshed from Google Patents.
US3922944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stepping musical machine
Assignee: Nippon Columbia Co Ltd
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Filing: 1974-08-12
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Granted: 1975-12-02
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Expires: 1994-08-12
Abstract
Abstract A stepping musical machine for physical and acoustic training of children such that stepping-boards are arranged on a jumpy sheet, a net or the like stretched in a taut condition and which is adapted so that when children jump on the stepping-boards while playing on the machine particular sounds corresponding to the respective stepping-boards are produced.
Inventors
- 👤 Minoru Kurosaki
- 👤 Tsutomu Nakamura
- 👤 Akira Matuki
- 👤 Okikazu Mogami
- 👤 Yoshitomo Tsugu
- 👤 Masatoshi Morikawa
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 01:45
CPC Classifications
A; A63; A63B; A63B71/00; A63B71/06; A63B71/0619; A63B71/0622; A63H; A63H5/00; G; G09; G09B; G09B5/00; G09B5/04; G10; G10H; G10H1/00; G10H1/32; G10H1/34; G10H1/344; G10H1/348; A63B2071/0625; A63B2208/00; A63B2208/12; G10H2220/00; G10H2220/155; G10H2220/341; Y; Y10; Y10S; Y10S84/00; Y10S84/25
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
266 words
An educational and amusement musical device comprising, a base member comprising a horizontal surface where a person can walk around, a plurality of musical jumping boards mounted on a portion of said horizontal surface and spaced such that a person can selectively step on to selected musical jumping boards or can step on the portion of said surface not having musical jumping boards, means for supporting said musical jumping boards in such a manner that said musical jumping boards move up and down with their surfaces going down substantially in parallel with the horizontal surface of said base member when the person steps on said musical jumping boards at any position thereof, a plurality of musical tone producing means individually connected to individual jumping boards and respectively mounted in proximity to its respective jumping boards and the spatial arrangement of said plurality of jumping boards being spaced such that a person can selectively step on said horizontal surface during the selection of the next desired musical note, further including light means connected to and energized by said jumping boards as they are stepped upon, and wherein said light means comprises a plurality of light bulbs corresponding to the number of jumping boards which are respectively illuminated as a particular jumping board is stepped upon, a musical score formed on the upper surface of said base member and said plurality of light bulbs mounted on said musical score with each light bulb adjacent a respective jump board such that when it is illuminated it indicates on the musical score the note corresponding to its particular jumping board.
Claim 2
Dependent Claim
266 words
An educational and amusement musical device comprising, a base member comprising a horizontal surface where a person can walk around, a plurality of musical jumping boards mounted on a portion of said horizontal surface and spaced such that a person can selectively step on to selected musical jumping boards or can step on the portion of said surface not having musical jumping boards, means for supporting said musical jumping boards in such a manner that said musical jumping boards move up and down with their surfaces going down substantially in parallel with the horizontal surface of said base member when the person steps on said musical jumping boards at any position thereof, a plurality of musical tone producing means individually connected to individual jumping boards and respectively mounted in proximity to its respective jumping boards and the spatial arrangement of said plurality of jumping boards being spaced such that a person can selectively step on said horizontal surface during the selection of the next desired musical note, further including light means connected to and energized by said jumping boards as they are stepped upon, and wherein said light means comprises a plurality of light bulbs corresponding to the number of jumping boards which are respectively illuminated as a particular jumping board is stepped upon, a musical score formed on the upper surface of said base member and said plurality of light bulbs mounted on said musical score with each light bulb adjacent a respective jump board such that when it is illuminated it indicates on the musical score the note corresponding to its particular jumping board.
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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) | 1978-12-01 | 1979-06-02 | 1979-12-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-01 | 1983-06-02 | 1983-12-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-01 | 1987-06-02 | 1987-12-02 | $7700.00 | Window Closed / Lapsed |