US3099700A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Musical instrument
Assignee: ABO MUSTAD AND SON
•
Filing: 1958-02-13
•
Granted: 1963-07-30
•
Expires: 1978-02-13
Abstract
No abstract record available.
Inventors
- 👤 Bergman Sune Hearly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 16:46
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/36; G10H1/38; Y; Y10; Y10S; Y10S84/00; Y10S84/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
176 words
AN ELETRICAL MUSICAL INSTRUMENT COMPRISING A PLURALITY OF ELECTRICAL FUNDAMENTAL TONE-FREQUENCY GENERATING DEVICES OF DIFFERENT FREQUENCIES, EACH OF THESE DEVICES HAVING AN OUTPUT TERMINAL, SOUND QUALITY REPRODUCING MEANS INCLUDING AN AMPLIFIER AND A LOUD SPEAKER, THE OUTPUT TERMINALS OF SAID DEVICES BEING SELECTIVELY CONNECTIBLE TO THE INPUT TERMINALS OF THE AMPLIFIER, CONDUCTOR MEANS FOR COMPLETING THE INPUT CIRCUIT TO THE AMPLIFIER THROUGH GROUND, MELODY-SELECTING SWITCH MEANS FOR TRANSMITTING A SELECTED FUNDAMENTAL TONE FREQUENCY TO THE INPUT CIRCUIT OF THE AMPLIFIER, AND FOR BLENDING THEREWITH A PLURALITY OF MELODY SELECTED FUNDAMENTAL TONE FREQUENCIES; HARMONY-SELECTING SWITCH MEANS TO WHICH THIS PLURALITY OF MELODY SELECTED FUNDAMENTAL TONE FREQUENCIES ARE TRANSMITTED AS INPUT, THE OUTPUT OF SAID HARMONYSELECTING SWITCH MEANS CONSTITUTING A CHORDAL GROUP FREQUENCY, WHICH IS TRANSMITTED THROUGH THE MELODY-SELECTING SWITCH MEANS AND BLENDED WITH THE SAID SELECTED FUNDAMENTAL TONE FREQUENCY, THEREBY FORMING THE RESULTING MELODY-BLENDED FREQUENCY WHICH CONSTITUTES THE INPUT FREQUENCY TRANSMITTED TO THE AMPLIFIER; SAID CHORDAL GROUP FREQUENCY RESULTING FROM SELECTED FUNDAMENTAL TONE FREQUENCIES DERIVED FROM THE TONE-FREQUENCY GENERATING DEVICES AND BLENDED BY THE MELODY-SELECTING SWITCH MEANS.
Claim 2
Dependent Claim
176 words
AN ELETRICAL MUSICAL INSTRUMENT COMPRISING A PLURALITY OF ELECTRICAL FUNDAMENTAL TONE-FREQUENCY GENERATING DEVICES OF DIFFERENT FREQUENCIES, EACH OF THESE DEVICES HAVING AN OUTPUT TERMINAL, SOUND QUALITY REPRODUCING MEANS INCLUDING AN AMPLIFIER AND A LOUD SPEAKER, THE OUTPUT TERMINALS OF SAID DEVICES BEING SELECTIVELY CONNECTIBLE TO THE INPUT TERMINALS OF THE AMPLIFIER, CONDUCTOR MEANS FOR COMPLETING THE INPUT CIRCUIT TO THE AMPLIFIER THROUGH GROUND, MELODY-SELECTING SWITCH MEANS FOR TRANSMITTING A SELECTED FUNDAMENTAL TONE FREQUENCY TO THE INPUT CIRCUIT OF THE AMPLIFIER, AND FOR BLENDING THEREWITH A PLURALITY OF MELODY SELECTED FUNDAMENTAL TONE FREQUENCIES; HARMONY-SELECTING SWITCH MEANS TO WHICH THIS PLURALITY OF MELODY SELECTED FUNDAMENTAL TONE FREQUENCIES ARE TRANSMITTED AS INPUT, THE OUTPUT OF SAID HARMONYSELECTING SWITCH MEANS CONSTITUTING A CHORDAL GROUP FREQUENCY, WHICH IS TRANSMITTED THROUGH THE MELODY-SELECTING SWITCH MEANS AND BLENDED WITH THE SAID SELECTED FUNDAMENTAL TONE FREQUENCY, THEREBY FORMING THE RESULTING MELODY-BLENDED FREQUENCY WHICH CONSTITUTES THE INPUT FREQUENCY TRANSMITTED TO THE AMPLIFIER; SAID CHORDAL GROUP FREQUENCY RESULTING FROM SELECTED FUNDAMENTAL TONE FREQUENCIES DERIVED FROM THE TONE-FREQUENCY GENERATING DEVICES AND BLENDED BY THE MELODY-SELECTING SWITCH MEANS.
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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) | 1966-07-29 | 1967-01-28 | 1967-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-07-29 | 1971-01-28 | 1971-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-07-29 | 1975-01-28 | 1975-07-30 | $7700.00 | Window Closed / Lapsed |