Patent US3339447A successfully refreshed from Google Patents.
US3339447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Music teaching aid
Assignee: Individual
•
Filing: 1965-07-20
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Granted: 1967-09-05
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Expires: 1985-07-20
Abstract
No abstract record available.
Inventors
- 👤 Elisha J Curry
- 👤 Blanche L Curry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:56
CPC Classifications
G; G10; G10G; G10G1/00; G10G1/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
89 words
A MUSICAL SCALE-TEACHING AID FOR LOCATING THE BLACK KEYS FOR A SCALE ON A PIANO-LIKE KEYBOARD COMPRISING AN ELONGATED SUPPORTING BODY ADAPTED TO BE PLACED ON A KEYBOARD TRANSVERSE TO THE WHITE KEYS THEREOF, SAID BODY BEING FORMED WITH TRANSVERSE EVENLY-SPACED GROOVES CORRESPONDING IN NUMBER TO THE NUMBER OF SEMI-TONES IN AN OCTAVE AND ARRANGED SO AS TO SPAN AN OCTAVE ON THE KEYBOARD, A PLURALITY OF BAR MEMBERS RECEIVABLE IN SAID GROOVES IN SAID POSITIONS PROJECTING FORWARDLY FROM ONE LONGITUDINAL EDGE OF THE BODY SUFFIECIENTLY TO ENGAGE BLACK
Claim 2
Dependent Claim
89 words
A MUSICAL SCALE-TEACHING AID FOR LOCATING THE BLACK KEYS FOR A SCALE ON A PIANO-LIKE KEYBOARD COMPRISING AN ELONGATED SUPPORTING BODY ADAPTED TO BE PLACED ON A KEYBOARD TRANSVERSE TO THE WHITE KEYS THEREOF, SAID BODY BEING FORMED WITH TRANSVERSE EVENLY-SPACED GROOVES CORRESPONDING IN NUMBER TO THE NUMBER OF SEMI-TONES IN AN OCTAVE AND ARRANGED SO AS TO SPAN AN OCTAVE ON THE KEYBOARD, A PLURALITY OF BAR MEMBERS RECEIVABLE IN SAID GROOVES IN SAID POSITIONS PROJECTING FORWARDLY FROM ONE LONGITUDINAL EDGE OF THE BODY SUFFIECIENTLY TO ENGAGE BLACK
References Cited (Backward Citations)
US1347068A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-04 | 1971-03-06 | 1971-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-04 | 1975-03-06 | 1975-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-04 | 1979-03-06 | 1979-09-05 | $7700.00 | Window Closed / Lapsed |