US3288906A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stringed musical instruments with pickup and damping means between bridge and fingerboard
Assignee: Ormston Burns Ltd
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Filing: 1964-04-23
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Granted: 1966-11-29
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Expires: 1984-04-23
Abstract
No abstract record available.
Inventors
- 👤 Burns James Ormston
- 👤 Chandler Gordon Spencer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 00:37
CPC Classifications
G; G10; G10H; G10H3/00; G10H3/12; G10H3/14; G10H3/18; G10H3/185; G10H2220/00; G10H2220/155; G10H2220/165; G10H2220/175; G10H2220/461; G10H2220/465; G10H2220/471; G10H2220/495
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
129 words
A CONTACT PICK-UP UNIT FOR A STRINGED MUSICAL INSTRUMENT HAVING A BODY, A NECK AND FINGERBOARD, A BRIDGE ON THE BODY AND MEANS ON THE BODY AND NECK FOR STRETCHING AT LEAST ONE STRING IN SPACED RELATIONSHIP TO THE FINGERBOARD AND IN ENGAGEMENT WITH THE BRIDGE, COMPRISING A MAGNETIC CORE STRUCTURE, AT LEAST ONE PERMANENT MAGNET IN SAID CORE STRUCTURE, SAID MAGNET CORE STRUCTURE DEFINING AT LEAST ONE AIR GAP, AN ARMATURE RESILIENTLY MOUNTED IN SAID AIR GAP, A DAMPING CONTACT MEMBER FOR ENGAGEMENT WITH A STRING OF A MUSICAL INSTRUMENT AT A LOCATION BETWEEN THE BRIDGE AND THE FINGERBOARD SEPARATELY FROM AND INDEPENDENTLY OF ITS ENGAGEMENT WITH THE BRIDGE AND CONNECTED TO SAID ARMATURE, AND A COIL SURROUNDING PART OF SAID CORE STRUCTURE FOR HAVING INDUCED THEREIN ELEC-
Claim 2
Dependent Claim
129 words
A CONTACT PICK-UP UNIT FOR A STRINGED MUSICAL INSTRUMENT HAVING A BODY, A NECK AND FINGERBOARD, A BRIDGE ON THE BODY AND MEANS ON THE BODY AND NECK FOR STRETCHING AT LEAST ONE STRING IN SPACED RELATIONSHIP TO THE FINGERBOARD AND IN ENGAGEMENT WITH THE BRIDGE, COMPRISING A MAGNETIC CORE STRUCTURE, AT LEAST ONE PERMANENT MAGNET IN SAID CORE STRUCTURE, SAID MAGNET CORE STRUCTURE DEFINING AT LEAST ONE AIR GAP, AN ARMATURE RESILIENTLY MOUNTED IN SAID AIR GAP, A DAMPING CONTACT MEMBER FOR ENGAGEMENT WITH A STRING OF A MUSICAL INSTRUMENT AT A LOCATION BETWEEN THE BRIDGE AND THE FINGERBOARD SEPARATELY FROM AND INDEPENDENTLY OF ITS ENGAGEMENT WITH THE BRIDGE AND CONNECTED TO SAID ARMATURE, AND A COIL SURROUNDING PART OF SAID CORE STRUCTURE FOR HAVING INDUCED THEREIN ELEC-
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) | 1969-11-28 | 1970-05-30 | 1970-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-11-28 | 1974-05-30 | 1974-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-11-28 | 1978-05-30 | 1978-11-29 | $7700.00 | Window Closed / Lapsed |