US3089922A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novel mounting sheath for piezoelectric phonograph cartridge
Assignee: Cosmocord Ltd
•
Filing: 1955-07-26
•
Granted: 1963-05-14
•
Expires: 1975-07-26
Abstract
No abstract record available.
Inventors
- 👤 Kelly Stanley
- 👤 Schumann Alec
- 👤 Adams John Neison
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 04:26
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/16; H04R17/00; H04R17/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
158 words
A GRAMOPHONE PICKUP COMPRISING A CASING, A PIEZOELECTRIC ELEMENT IN SAID CASING, A FIRST SHEATH OF COMPLAINT PLASTIC MATERIAL DISPOSED BETWEEN A FIRST PART OF SAID ELEMENT AND A FIRST PART OF SAID CASING AND DIRECTLY ENGAGING SAID ELEMENT AND SAID CASING RESPECTIVELY TO IMPOSE ON SAID ELEMENT RESTRAINT AGAINST MOVEMENT OF THE SAID FIRST PART THEREOF WITH RESPECT TO SAID CASING, A STYLUS, A CARRIER FOR SAID STYLUS, A SECOND SHEATH OF COMPLAINT PLASTIC MATERIAL DIRECTLY ENGAGING SAID ELEMENT AT A SECOND PART THEREOF AND DIRECTLY ENGAGING SAID CASING AT A SECOND PART THEREOF, SAID SECOND SHEATH PERMITTING VIBRATORY MOVEMENT OF SAID SECOND PART OF SAID ELEMENT WITH RESPECT TO SAID CASING, SAID CARRIER DIRECTLY ENGAGING SAID SECOND SHEATH, THEREBY TO COUPLE SAID SYTLUS TO SAID ELEMENT, AND THE MATERIALS OF SAID FIRST AND SECOND SHEATHS HAVING DIFFERENT MODULI OF ELASTICITY, THE MATERIAL OF SAID SECOND SHEATH BEING LESS COMPLAINT THAN THE MATERIAL OF SAID FIRST SHEATH.
Claim 2
Dependent Claim
158 words
A GRAMOPHONE PICKUP COMPRISING A CASING, A PIEZOELECTRIC ELEMENT IN SAID CASING, A FIRST SHEATH OF COMPLAINT PLASTIC MATERIAL DISPOSED BETWEEN A FIRST PART OF SAID ELEMENT AND A FIRST PART OF SAID CASING AND DIRECTLY ENGAGING SAID ELEMENT AND SAID CASING RESPECTIVELY TO IMPOSE ON SAID ELEMENT RESTRAINT AGAINST MOVEMENT OF THE SAID FIRST PART THEREOF WITH RESPECT TO SAID CASING, A STYLUS, A CARRIER FOR SAID STYLUS, A SECOND SHEATH OF COMPLAINT PLASTIC MATERIAL DIRECTLY ENGAGING SAID ELEMENT AT A SECOND PART THEREOF AND DIRECTLY ENGAGING SAID CASING AT A SECOND PART THEREOF, SAID SECOND SHEATH PERMITTING VIBRATORY MOVEMENT OF SAID SECOND PART OF SAID ELEMENT WITH RESPECT TO SAID CASING, SAID CARRIER DIRECTLY ENGAGING SAID SECOND SHEATH, THEREBY TO COUPLE SAID SYTLUS TO SAID ELEMENT, AND THE MATERIALS OF SAID FIRST AND SECOND SHEATHS HAVING DIFFERENT MODULI OF ELASTICITY, THE MATERIAL OF SAID SECOND SHEATH BEING LESS COMPLAINT THAN THE MATERIAL OF SAID FIRST SHEATH.
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) | 1966-05-13 | 1966-11-12 | 1967-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-13 | 1970-11-12 | 1971-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-13 | 1974-11-12 | 1975-05-14 | $7700.00 | Window Closed / Lapsed |