Patent US3075423A successfully refreshed from Google Patents.
US3075423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Swell control
Assignee: Gibbs Manufacturing and Research Corp
•
Filing: 1958-08-06
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Granted: 1963-01-29
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Expires: 1978-08-06
Abstract
No abstract record available.
Inventors
- 👤 Raymond W Brandt
- 👤 Allen A Shoup
- 👤 Robert J Ziehlke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:29
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/46
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
IN AN ELECTRONIC MUSICAL INSTRUMENT, A SIGNAL HANDLING SYSTEM, COMPRISING: A SOURCE OF SIGNALS REPRESENTING MUSICAL TONES; A SIGNAL HANDLING CHANNEL CONNECTED WITH SAID SOURCE; A PIVOTALLY MOUNTED, MANUALLY OPERABLE SWELL CONTROL MEMBER; A CIRCUIT ELEMENT CONNECTED TO SAID CHANNEL AND HAVING A VARIABLE CHARACTERISTIC, FOR VARYING THE AMPLITUDE OF A SIGNAL TRANSMITTED THROUGH SAID CHANNEL; A LIGHT SENSITIVE ELEMENT CONNECTED WITH SAID CIRCUIT ELEMENT FOR VARYING SAID CHARACTERISTIC THEREOF; A LIGHT SOURCE FOR ACTUATING SAID LIGHT SENSITIVE ELEMENT; AND A MASK MOUNTED ON SAID SWELL CONTROL MEMBER AND SPACED FROM
Claim 2
Dependent Claim
91 words
IN AN ELECTRONIC MUSICAL INSTRUMENT, A SIGNAL HANDLING SYSTEM, COMPRISING: A SOURCE OF SIGNALS REPRESENTING MUSICAL TONES; A SIGNAL HANDLING CHANNEL CONNECTED WITH SAID SOURCE; A PIVOTALLY MOUNTED, MANUALLY OPERABLE SWELL CONTROL MEMBER; A CIRCUIT ELEMENT CONNECTED TO SAID CHANNEL AND HAVING A VARIABLE CHARACTERISTIC, FOR VARYING THE AMPLITUDE OF A SIGNAL TRANSMITTED THROUGH SAID CHANNEL; A LIGHT SENSITIVE ELEMENT CONNECTED WITH SAID CIRCUIT ELEMENT FOR VARYING SAID CHARACTERISTIC THEREOF; A LIGHT SOURCE FOR ACTUATING SAID LIGHT SENSITIVE ELEMENT; AND A MASK MOUNTED ON SAID SWELL CONTROL MEMBER AND SPACED FROM
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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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |