US3123361A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phonograph needle play timing apparatus
Assignee: —
•
Filing: —
•
Granted: 1964-03-03
•
Expires: 1981-03-03
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 17:15
CPC Classifications
G; G11; G11B; G11B3/00; G11B3/44
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN A PHONOGRAPH, A STYLUS TRACKAGE INDICATOR COMPRISING A COUNTER, A MOTOR DRIVINGLY CONNECTED TO SAID COUNTER, A TONE ARM PROVIDED WITH A TRANSDUCING CARTRIDGE HAVING A STYLUS ADAPTED TO ENGAGE IN THE GROOVES OF A PHONOGRAPH RECORD, NORMALLY OPEN SWITCH MEANS IN THE TONE ARM, MEANS TO CLOSE SAID SWITCH MEANS RESPONSIVE TO THE LOWERING OF THE TONE ARM TO A POSITION WHEREIN THE STYLUS ENGAGES A RECORD, AND AN ENERGIZING CIRCUIT INCLUDING SAID SWITCH MEANS CONNECTED TO SAID MOTOR.
Claim 2
Dependent Claim
81 words
IN A PHONOGRAPH, A STYLUS TRACKAGE INDICATOR COMPRISING A COUNTER, A MOTOR DRIVINGLY CONNECTED TO SAID COUNTER, A TONE ARM PROVIDED WITH A TRANSDUCING CARTRIDGE HAVING A STYLUS ADAPTED TO ENGAGE IN THE GROOVES OF A PHONOGRAPH RECORD, NORMALLY OPEN SWITCH MEANS IN THE TONE ARM, MEANS TO CLOSE SAID SWITCH MEANS RESPONSIVE TO THE LOWERING OF THE TONE ARM TO A POSITION WHEREIN THE STYLUS ENGAGES A RECORD, AND AN ENERGIZING CIRCUIT INCLUDING SAID SWITCH MEANS CONNECTED TO SAID MOTOR.
References Cited (Backward Citations)
US2958949A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-03-03 | 1967-09-02 | 1968-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-03-03 | 1971-09-02 | 1972-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-03-03 | 1975-09-02 | 1976-03-03 | $7700.00 | Window Closed / Lapsed |