US3091148A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tone color circuits for electrical organs
Assignee: BALDWIN PIANO Co
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Filing: 1959-08-04
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Granted: 1963-05-28
•
Expires: 1979-08-04
Abstract
No abstract record available.
Inventors
- 👤 Jr Walter Munch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:14
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/053; G10H1/057
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
IN AN ELECTRICAL ORGAN HAVING GENERATORS FOR PRODUCING COMPLEX OSCILLATIONS AND AN OUTPUT SYSTEM, A PERCUSSIVE SYSTEM COMPRISING GATING CIRCUITS COUPLED TO SAID GENERATORS AND ACTUABLE BY PLAYING KEY SWITCHES, BRIDGED T AMPLIFIER CIRCUITS RECEIVING THE OUTPUTS OF SAID CIRCUITS, A FIRST HEADER RECEIVING THE OUTPUTS OF SAID BRIDGED T AMPLIFIERS, AN OUTPUT HEADER, AND A LINEAR FILTER MEANS INTERPOSED BETWEEN SAID FIRST HEADER AND SAID OUTPUT HEADER.
Claim 2
Dependent Claim
68 words
IN AN ELECTRICAL ORGAN HAVING GENERATORS FOR PRODUCING COMPLEX OSCILLATIONS AND AN OUTPUT SYSTEM, A PERCUSSIVE SYSTEM COMPRISING GATING CIRCUITS COUPLED TO SAID GENERATORS AND ACTUABLE BY PLAYING KEY SWITCHES, BRIDGED T AMPLIFIER CIRCUITS RECEIVING THE OUTPUTS OF SAID CIRCUITS, A FIRST HEADER RECEIVING THE OUTPUTS OF SAID BRIDGED T AMPLIFIERS, AN OUTPUT HEADER, AND A LINEAR FILTER MEANS INTERPOSED BETWEEN SAID FIRST HEADER AND SAID OUTPUT HEADER.
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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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |