US3377439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binaural piezoelectric pickup
Assignee: Erie Technological Products Inc
•
Filing: 1958-04-03
•
Granted: 1968-04-09
•
Expires: 1978-04-03
Abstract
No abstract record available.
Inventors
- 👤 Rouy Auguste Louis Mar Antoine
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 05:29
CPC Classifications
H; H04; H04R; H04R17/00; H04R17/04; H04R17/06; H04R1/00; H04R1/16; H04R17/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A BINAURAL PHONOGRAPH PICKUP MEMBER COMPRISING A BENDER TYPE PIEZOELECTRIC ELEMENT HAVING RESPONSE TO BENDING IN TWO DIRECTIONS SUBSTANTIALLY AT RIGHT ANGLES TO EACH OTHER, AND HAVING PROVISIONS FOR COUPLING ONE END TO A NEEDLE, THE NEEDLE EXCURSIONS IN SAID TWO DIRECTIONS CORRESPONDING RESPECTIVELY TO ONE AND THE OTHER OF TWO BINAURAL CHANNELS, AND RESILIENT MEANS FOR MOUNTING THE OTHER END OF THE ELEMENT AS A CANTILEVER, SAID MEANS OFFERING SUBSTANTIALLY EQUAL RESTRAINT IN SAID TWO DIRECTIONS.
Claim 2
Dependent Claim
77 words
A BINAURAL PHONOGRAPH PICKUP MEMBER COMPRISING A BENDER TYPE PIEZOELECTRIC ELEMENT HAVING RESPONSE TO BENDING IN TWO DIRECTIONS SUBSTANTIALLY AT RIGHT ANGLES TO EACH OTHER, AND HAVING PROVISIONS FOR COUPLING ONE END TO A NEEDLE, THE NEEDLE EXCURSIONS IN SAID TWO DIRECTIONS CORRESPONDING RESPECTIVELY TO ONE AND THE OTHER OF TWO BINAURAL CHANNELS, AND RESILIENT MEANS FOR MOUNTING THE OTHER END OF THE ELEMENT AS A CANTILEVER, SAID MEANS OFFERING SUBSTANTIALLY EQUAL RESTRAINT IN SAID TWO DIRECTIONS.
References Cited (Backward Citations)
US2492446A
Cited
US2480907A
Cited
US2594841A
Cited
US2518348A
Cited
US2594948A
Cited
US2625663A
Cited
US2614143A
Cited
US2858373A
Cited
DE1000608B
Cited
US2841722A
Cited
US2900536A
Cited
US2834158A
Cited
US2944117A
Cited
US2852619A
Cited
US2958738A
Cited
US3073914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-04-09 | 1971-10-09 | 1972-04-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-04-09 | 1975-10-09 | 1976-04-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-04-09 | 1979-10-09 | 1980-04-09 | $7700.00 | Window Closed / Lapsed |