US3344781A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-purpose neurological diagnostic instrument
Assignee: Roche Diagnostics Corp
•
Filing: 1964-10-23
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Granted: 1967-10-03
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Expires: 1984-10-23
Abstract
No abstract record available.
Inventors
- 👤 Derek R Allen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 06:22
CPC Classifications
A; A61; A61B; A61B9/00; A61B5/00; A61B5/48; A61B5/4824; A61B5/4827; G; G10; G10G; G10G7/00; G10G7/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A MEDICAL DIAGNOSTIC TUNING FORK EMBODYING OPPOSED FURCATIONS HAVING RESPECTIVE TIPS AT THEIR FREE ENDS; AND A PAIR OF WEIGHTS DETACHABLY CONNECTED TO SAID FREE ENDS TO PROVIDE FOR VIBRATION AT RELATIVELY LOW PITCH IN THE RANGE FOR TESTING VIBRATION SENSATION, SAID TUNING FORK BEING VIBRATABLE AT RELATIVELY HIGH PITCH IN THE RANGE FOR AUDIO TESTING FOR AIR AND BONE CONDUCTION WHEN SAID WEIGHTS ARE DETACHED, EACH OF SAID WEIGHTS CONPRISING A COLLET JAW HAVING AT ONE END A SOCKET PROPORTIONED TO SNUGLE RECEIVE A RESPECTIVE FURCATION TIP AND HAVING AT ITS OTHER END A THREADED STEM, AND A COLLET-CLOSING COLLAR HAVING AN INTERNALLY-THREADED HEAD FOR THREADED COUPLING TO SAID STEM, AND A SKIRT PORTION HAVING A FRUSTO-CONICAL INTERNAL WALL COOPERABLE WITH SAID COLLET JAW TO WEDGE THE SAME INTO TIGHT CLAMPING ENGAGEMENT WITH SAID TIP.
Claim 2
Dependent Claim
136 words
A MEDICAL DIAGNOSTIC TUNING FORK EMBODYING OPPOSED FURCATIONS HAVING RESPECTIVE TIPS AT THEIR FREE ENDS; AND A PAIR OF WEIGHTS DETACHABLY CONNECTED TO SAID FREE ENDS TO PROVIDE FOR VIBRATION AT RELATIVELY LOW PITCH IN THE RANGE FOR TESTING VIBRATION SENSATION, SAID TUNING FORK BEING VIBRATABLE AT RELATIVELY HIGH PITCH IN THE RANGE FOR AUDIO TESTING FOR AIR AND BONE CONDUCTION WHEN SAID WEIGHTS ARE DETACHED, EACH OF SAID WEIGHTS CONPRISING A COLLET JAW HAVING AT ONE END A SOCKET PROPORTIONED TO SNUGLE RECEIVE A RESPECTIVE FURCATION TIP AND HAVING AT ITS OTHER END A THREADED STEM, AND A COLLET-CLOSING COLLAR HAVING AN INTERNALLY-THREADED HEAD FOR THREADED COUPLING TO SAID STEM, AND A SKIRT PORTION HAVING A FRUSTO-CONICAL INTERNAL WALL COOPERABLE WITH SAID COLLET JAW TO WEDGE THE SAME INTO TIGHT CLAMPING ENGAGEMENT WITH SAID TIP.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-02 | 1971-04-03 | 1971-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-02 | 1975-04-03 | 1975-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-02 | 1979-04-03 | 1979-10-03 | $7700.00 | Window Closed / Lapsed |