US3744366A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Indicating head for use with a keyboard instrument teaching device
Assignee: Individual
•
Filing: 1972-02-29
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Granted: 1973-07-10
•
Expires: 1992-02-29
Abstract
Abstract An indicating head which rests upon a keyboard on a section of the keys thereof which is adapted for use with a reading head. The indicating head extends over a portion of the keyboard and rests directly thereon with the portion containing pilot lights being adjustable for movement to position the lights over specific keys as desired helped by alignment markings on the device.
Inventors
- 👤 J Delcastillo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:44
CPC Classifications
G; G09; G09B; G09B13/00; G09B15/00; G09B15/08; G10; G10G; G10G3/00; G10G3/04
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
175 words
An indicating head for placing on the keyboard of a keyboard musical instrument for use with a keyboard teaching device and adapted for attachment to a controlling means comprising a housing, operating indicating means to bring attention to a key determined by the controlling means, said indicating means mounted in said housing in a correspondingly spaced relationship with the keys of the keyboard of the keyboard musical instrument, means to connect and operate said indicating means from the controlling means, a base support means to support said housing having depending portions having their bottom surfaces resting on keys of the keyboard with said depending portions spaced from each other a distance sufficient to include groups of raised keys of the keyboard between them, said housing extending over only a portion of the keyboard of the keyboard musical instrument, and connecting means to connect said housing to said base support means and allow movement of said housing in relation to said base support means in a direction longitudinally of thE keyboard of the keyboard musical instrument.
Claim 2
Dependent Claim
175 words
An indicating head for placing on the keyboard of a keyboard musical instrument for use with a keyboard teaching device and adapted for attachment to a controlling means comprising a housing, operating indicating means to bring attention to a key determined by the controlling means, said indicating means mounted in said housing in a correspondingly spaced relationship with the keys of the keyboard of the keyboard musical instrument, means to connect and operate said indicating means from the controlling means, a base support means to support said housing having depending portions having their bottom surfaces resting on keys of the keyboard with said depending portions spaced from each other a distance sufficient to include groups of raised keys of the keyboard between them, said housing extending over only a portion of the keyboard of the keyboard musical instrument, and connecting means to connect said housing to said base support means and allow movement of said housing in relation to said base support means in a direction longitudinally of thE keyboard of the keyboard musical instrument.
Claim 3
Dependent Claim
36 words
The indicating head of claim 1, further characterized by said connecting means including a longitudinal groove in the top surface of said base support means, a depending portion of said housing fitted in said longitudinal groove.
Claim 4
Dependent Claim
30 words
The indicating head of claim 1, further characterized by alignment marking means on said housing and said base support means to align said indicators with the keys of the keyboard.
Claim 5
Dependent Claim
22 words
The indicating head of claim 1, further characterized by said bottom surfaces having cushioning means supporting said depending portions on the keys.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |