Patent US3159706A successfully refreshed from Google Patents.
US3159706A
Expired / Lapsed
US
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Apparatus for producing phase shift in electronic organs
Assignee: ELECTRIC MUSIC
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Filing: 1961-08-28
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Granted: 1964-12-01
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Expires: 1981-08-28
Abstract
No abstract record available.
Inventors
- 👤 Donald J Leslie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:41
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; Y; Y10; Y10S; Y10S84/00; Y10S84/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
43 words
IN AN ELECTRONIC ORGAN: AN ORGAN SIGNAL CIRCUIT; A PHASE SHIFTING DEVICE INTERPOSED IN SAID CIRCUIT, AND INCLUDING AN ELEMENT OPERATIVE TO ADJUST THE PHASE SHIFT PRODUCED BY SAID DEVICE; A SWELL PEDAL; AND COUPLING MEANS BETWEEN THE SWELL PEDAL AND SAID ELEMENT.
Claim 2
Dependent Claim
43 words
IN AN ELECTRONIC ORGAN: AN ORGAN SIGNAL CIRCUIT; A PHASE SHIFTING DEVICE INTERPOSED IN SAID CIRCUIT, AND INCLUDING AN ELEMENT OPERATIVE TO ADJUST THE PHASE SHIFT PRODUCED BY SAID DEVICE; A SWELL PEDAL; AND COUPLING MEANS BETWEEN THE SWELL PEDAL AND SAID ELEMENT.
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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) | 1967-12-01 | 1968-06-01 | 1968-12-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-12-01 | 1972-06-01 | 1972-12-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-12-01 | 1976-06-01 | 1976-12-01 | $7700.00 | Window Closed / Lapsed |