US3313877A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electronic organ keying device
Assignee: Individual
•
Filing: 1964-07-10
•
Granted: 1967-04-11
•
Expires: 1984-07-10
Abstract
No abstract record available.
Inventors
- 👤 Robert A Boenning
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:57
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/02; G10H1/04; G10H1/053; G10H1/055; G10H1/0555
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
61 words
A KEYING ARRANGEMENT FOR ACTUATING THE TONE GENERATOR OF AN ELECTRIC ORGAN, COMPRISING TRANSFORMER MEANS INCLUDING A PAIR OF OUTPUT WINDINGS CONNECTED IN SERIES OPPOSITION AND IN CIRCUIT WITH SAID TONE GENERATOR AND AN INPUT WINDING, SAID TRANSFORMER MEANS HAVING A MOVABLE CORE ELEMENT FOR INDUCING, VOLTAGE FROM SAID INPUT WINDING TO SAID PAIR OF OUTPUT WINDINGS IN ACCORDANCE WITH THE
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US3185866A
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US3248470A
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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) | 1970-04-10 | 1970-10-10 | 1971-04-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-04-10 | 1974-10-10 | 1975-04-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-04-10 | 1978-10-10 | 1979-04-11 | $7700.00 | Window Closed / Lapsed |