US3401229A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic musical instrument of just intonation
Assignee: NIHON GAKKI SEIZO KK
•
Filing: 1965-05-28
•
Granted: 1968-09-10
•
Expires: 1985-05-28
Abstract
No abstract record available.
Inventors
- 👤 Kawabata Yoshikazu
- 👤 Yamashita Maki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 13:17
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
AN ELECTRONIC MUSICAL INSTRUMENT OF JUST INTONATION COMPRISING A PLURALITY OF TONE GENERATORS, MEANS CONNECTED TO EACH OF SAID GENERATORS FOR PRODUCING TONES WHICH ARE SIXTEEN CENTS HIGHER WITH RESPECT TO THEIR CORRESPONDING TONES OF EQUAL TEMPERAMENT, MEANS CONNECTED TO EACH OF SAID GENERATORS FOR PRODUCING TONES WHICH ARE FOURTEEN CENTS LOWER WITH RESPECT TO THEIR CORRESPONDING TONES OF EQUAL TEMPERAMENT, MUSICAL KEY SELECTOR MEANS, SAID TONE GENERATORS BEING ELECTRICALLY
Claim 2
Dependent Claim
70 words
AN ELECTRONIC MUSICAL INSTRUMENT OF JUST INTONATION COMPRISING A PLURALITY OF TONE GENERATORS, MEANS CONNECTED TO EACH OF SAID GENERATORS FOR PRODUCING TONES WHICH ARE SIXTEEN CENTS HIGHER WITH RESPECT TO THEIR CORRESPONDING TONES OF EQUAL TEMPERAMENT, MEANS CONNECTED TO EACH OF SAID GENERATORS FOR PRODUCING TONES WHICH ARE FOURTEEN CENTS LOWER WITH RESPECT TO THEIR CORRESPONDING TONES OF EQUAL TEMPERAMENT, MUSICAL KEY SELECTOR MEANS, SAID TONE GENERATORS BEING ELECTRICALLY
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) | 1971-09-10 | 1972-03-11 | 1972-09-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-09-10 | 1976-03-11 | 1976-09-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-09-10 | 1980-03-11 | 1980-09-10 | $7700.00 | Window Closed / Lapsed |