Patent EP0205242A2 successfully refreshed from Google Patents.
US3138052A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organ key circuit
Assignee: Individual
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Filing: 1963-03-21
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Granted: 1964-06-23
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Expires: 1983-03-21
Abstract
No abstract record available.
Inventors
- 👤 Martin M Wick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 22:33
CPC Classifications
G; G10; G10B; G10B1/00; G10B1/02; G10B1/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN AN ORGAN KEY CIRCUIT HAVING A DIRECT CURRENT POWER SUPPLY, A KEY CONTACT SWITCH AND A CHEST MAGNET COMPRISED OF A MAGNET COIL AND A MAGNET CORE CONTROLLING THE ACTION OF THE PIPE VALVE OF THE PIPE ASSOCIATED WITH SAID KEY CONTACT SWITCH, A POWER TRANSISTOR HAVING A BASE CONNECTED TO SAID KEY CONTACT, AN EMITTER AND A COLLECTOR TERMINAL, A DIODE WHOSE INPUT SIDE IS CONNECTED TO THE POSITIVE SIDE OF THE DIRECT CURRENT POWER SUPPLY, AND WHOSE OUTPUT SIDE IS CONNECTED TO THE EMITTER OF SAID POWER TRANSISTOR, A BLOCKING DIODE WHOSE INPUT SIDE IS CONNECTED TO THE COLLECTOR OF SAID POWER TRANSISTOR, AND WHOSE OUTPUT SIDE IS CONNECTED TO THE POSITIVE SIDE OF SAID MAGNET COIL, A STOP ACTION RETURN SWITCH CONNECTED AT ONE SIDE TO THE NEGATIVE SIDE OF SAID MAGNET COIL, AND AT THE OTHER SIDE TO THE NEGATIVE SIDE OF SAID POWER SUPPLY.
Claim 2
Dependent Claim
150 words
IN AN ORGAN KEY CIRCUIT HAVING A DIRECT CURRENT POWER SUPPLY, A KEY CONTACT SWITCH AND A CHEST MAGNET COMPRISED OF A MAGNET COIL AND A MAGNET CORE CONTROLLING THE ACTION OF THE PIPE VALVE OF THE PIPE ASSOCIATED WITH SAID KEY CONTACT SWITCH, A POWER TRANSISTOR HAVING A BASE CONNECTED TO SAID KEY CONTACT, AN EMITTER AND A COLLECTOR TERMINAL, A DIODE WHOSE INPUT SIDE IS CONNECTED TO THE POSITIVE SIDE OF THE DIRECT CURRENT POWER SUPPLY, AND WHOSE OUTPUT SIDE IS CONNECTED TO THE EMITTER OF SAID POWER TRANSISTOR, A BLOCKING DIODE WHOSE INPUT SIDE IS CONNECTED TO THE COLLECTOR OF SAID POWER TRANSISTOR, AND WHOSE OUTPUT SIDE IS CONNECTED TO THE POSITIVE SIDE OF SAID MAGNET COIL, A STOP ACTION RETURN SWITCH CONNECTED AT ONE SIDE TO THE NEGATIVE SIDE OF SAID MAGNET COIL, AND AT THE OTHER SIDE TO THE NEGATIVE SIDE OF SAID POWER SUPPLY.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-06-23 | 1967-12-23 | 1968-06-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-06-23 | 1971-12-23 | 1972-06-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-06-23 | 1975-12-23 | 1976-06-23 | $7700.00 | Window Closed / Lapsed |