Patent US3278671A successfully refreshed from Google Patents.
US3278671A
Expired / Lapsed
US
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Electrified accordion
Assignee: Chicago Musical Instrument Co
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Filing: 1962-09-26
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Granted: 1966-10-11
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Expires: 1982-09-26
Abstract
No abstract record available.
Inventors
- 👤 Berwin Kurt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:04
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/16; G10H2230/00; G10H2230/045; G10H2230/245; Y; Y10; Y10S; Y10S84/00; Y10S84/15
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
182 words
A MUSICAL INSTRUMENT COMPRISING IN COMBINATION; (A) A MECHANICAL ACCORDION HAVING A GROUP OF TREBLE KEYS AND A GROUP OF BASS KEYS CONNECTED TO NORMALLY OPERATE VALVES TO THE SEVERAL REED CHAMBERS FOR MECHANICALLY PRODUCING CORRESPONDING ACCORDION TONES, ONE PORTION OF SAID GROUPS OF BASS KEYS BEING SOLO-BASS KEYS AND THE REMAINING PORTION BEING BASS CHORD KEYS; (B) THREE CHROMATIC SERIES OF ELECTRIC TONE SIGNAL SOURCES, ONE OF WHICH IS UNDER THE OPERATIVE CONTROL OF SAID TREBLE KEYS; (C) AN ELONGATED STRIP REMOVABLY SECURED TO SAID ACCORDION IN A FIXED POSITION ADJACENT TO THE BASS REED CHAMBERS, SAID STRIP SUPPORTING TWO SERIES OF SWITCHES, EACH SWITCH COMPRISING A PAIR OF CONTACTS, SAID SERIES BEING CONNECTED TO RESPECTIVELY CONTROL THE OTHER TWO SERIES OF TONE SIGNAL SOURCES, ONLY ONE OF SAID SERIES OF SWITCHES BEING UNDER THE OPERATIVE CONTROL OF SAID SOLO-BASS KEYS, AND THE OTHER OF SAID SERIES OF SWITCHES BEING UNDER THE OPERATIVE CONTROL OF ONLY SAID BASS CHORD KEYS; AND (D) A TRANSLATING SYSTEM CONNECTED TO RECEIVE SIGNALS FROM SAID TONE SIGNAL SOURCES IN RESPONSE TO PLAYING OF SAID KEYS.
Claim 2
Dependent Claim
182 words
A MUSICAL INSTRUMENT COMPRISING IN COMBINATION; (A) A MECHANICAL ACCORDION HAVING A GROUP OF TREBLE KEYS AND A GROUP OF BASS KEYS CONNECTED TO NORMALLY OPERATE VALVES TO THE SEVERAL REED CHAMBERS FOR MECHANICALLY PRODUCING CORRESPONDING ACCORDION TONES, ONE PORTION OF SAID GROUPS OF BASS KEYS BEING SOLO-BASS KEYS AND THE REMAINING PORTION BEING BASS CHORD KEYS; (B) THREE CHROMATIC SERIES OF ELECTRIC TONE SIGNAL SOURCES, ONE OF WHICH IS UNDER THE OPERATIVE CONTROL OF SAID TREBLE KEYS; (C) AN ELONGATED STRIP REMOVABLY SECURED TO SAID ACCORDION IN A FIXED POSITION ADJACENT TO THE BASS REED CHAMBERS, SAID STRIP SUPPORTING TWO SERIES OF SWITCHES, EACH SWITCH COMPRISING A PAIR OF CONTACTS, SAID SERIES BEING CONNECTED TO RESPECTIVELY CONTROL THE OTHER TWO SERIES OF TONE SIGNAL SOURCES, ONLY ONE OF SAID SERIES OF SWITCHES BEING UNDER THE OPERATIVE CONTROL OF SAID SOLO-BASS KEYS, AND THE OTHER OF SAID SERIES OF SWITCHES BEING UNDER THE OPERATIVE CONTROL OF ONLY SAID BASS CHORD KEYS; AND (D) A TRANSLATING SYSTEM CONNECTED TO RECEIVE SIGNALS FROM SAID TONE SIGNAL SOURCES IN RESPONSE TO PLAYING OF SAID KEYS.
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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) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |