US3140336A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Rhythmic interpolator
Assignee: DH Baldwin Co
•
Filing: 1960-08-30
•
Granted: 1964-07-07
•
Expires: 1980-08-30
Abstract
No abstract record available.
Inventors
- 👤 Donald J Campbell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:00
CPC Classifications
G; G10; G10H; G10H1/00; G10H1/36; G10H1/40; G10H1/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
101 words
AN ELECTRICAL MUSICAL INSTRUMENT HAVING THE USUAL PEDAL CLAVIER OPERATIVELY ASSOCIATED WITH A SOURCE OF RHYTHMIC IMPULSES, AN ACTUATING CIRCUIT OPERATIVELY CONNECTED TO SAID SOURCE, A TIMING CIRCUIT OPERATIVELY CONNECTED TO SAID ACTUATING CIRCUIT, AT LEAST ONE SOURCE OF RHYTHMIC INTERPOLATION SIGNALS OPERATIVELY CONNECTED TO SAID TIMING CIRCUIT, SAID TIMING CIRCUIT INCLUDING MEANS FOR ELECTING THE NUMBER OF RHYTHMIC INTERPOLATION SIGNALS TO BE INTERPOLATED BETWEEN PAIRS OF RHYTHMIC IMPULSES, WHEREBY WHEN SELECTED RHYTHMIC IMPULSES ARE GENERATED IN RESPONSE TO OPERATION OF SAID PEDAL CLAVIER THE SOURCE OF INTERPOLATION SIGNALS WILL BE ACTUATED RHYTHMICALLY TO INTERPOLATE THE ELECTED NUMBER OF INTERPOLATION SIGNALS.
Claim 2
Dependent Claim
101 words
AN ELECTRICAL MUSICAL INSTRUMENT HAVING THE USUAL PEDAL CLAVIER OPERATIVELY ASSOCIATED WITH A SOURCE OF RHYTHMIC IMPULSES, AN ACTUATING CIRCUIT OPERATIVELY CONNECTED TO SAID SOURCE, A TIMING CIRCUIT OPERATIVELY CONNECTED TO SAID ACTUATING CIRCUIT, AT LEAST ONE SOURCE OF RHYTHMIC INTERPOLATION SIGNALS OPERATIVELY CONNECTED TO SAID TIMING CIRCUIT, SAID TIMING CIRCUIT INCLUDING MEANS FOR ELECTING THE NUMBER OF RHYTHMIC INTERPOLATION SIGNALS TO BE INTERPOLATED BETWEEN PAIRS OF RHYTHMIC IMPULSES, WHEREBY WHEN SELECTED RHYTHMIC IMPULSES ARE GENERATED IN RESPONSE TO OPERATION OF SAID PEDAL CLAVIER THE SOURCE OF INTERPOLATION SIGNALS WILL BE ACTUATED RHYTHMICALLY TO INTERPOLATE THE ELECTED NUMBER OF INTERPOLATION SIGNALS.
References Cited (Backward Citations)
US2605422A
Cited
US2471138A
Cited
US2832044A
Cited
US2767315A
Cited
US2855816A
Cited
US2863049A
Cited
US2783672A
Cited
US2835807A
Cited
FR1221114A
Cited
US2974291A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |