Patent US3091234A successfully refreshed from Google Patents.
US3091234A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for testing hearing acuity
Assignee: —
•
Filing: —
•
Granted: 1963-05-28
•
Expires: 1980-05-28
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:46
CPC Classifications
A; A61; A61B; A61B5/00; A61B5/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
THE METHOD OF TESTING A PERSON FOR SENSORI-NEURAL HEARING LOSS BY THE DEGREE TO WHICH AIR-CONDUCTED TONES ARE MASKED BY WHITE NOISE DELIVERED BY BONE CONDUCTION DIRECTLY TO THE COCHLEA OF THE EAR UNDER TEST WHICH COMPRISES: DELIVERING AIR-CONDUCTED PURE TONES TO THE EAR UNDER TEST AND INCREASING THE INTENSITY OF EACH SAID TONE TO THRESHOLD LEVEL; DELIVERING WHITE NOISE OF FIXED INTENSITY TO THE SKULL BY BONE-CONDUCTION AT A POINT MIDWAY BETWEEN THE EARS OF SAID PERSON; THEN INCREASING THE INTENSITY OF EACH SAID PURE TONE TO THRESHOLD LEVEL IN THE PRESENCE OF SAID WHITE NOISE; AND INDICATING THE INTENSITIES OF EACH SAID PURE TONE.
Claim 2
Independent Claim
106 words
THE METHOD OF TESTING A PERSON FOR SENSORI-NEURAL HEARING LOSS BY THE DEGREE TO WHICH AIR-CONDUCTED TONES ARE MASKED BY WHITE NOISE DELIVERED BY BONE CONDUCTION DIRECTLY TO THE COCHLEA OF THE EAR UNDER TEST WHICH COMPRISES: DELIVERING AIR-CONDUCTED PURE TONES TO THE EAR UNDER TEST AND INCREASING THE INTENSITY OF EACH SAID TONE TO THRESHOLD LEVEL; DELIVERING WHITE NOISE OF FIXED INTENSITY TO THE SKULL BY BONE-CONDUCTION AT A POINT MIDWAY BETWEEN THE EARS OF SAID PERSON; THEN INCREASING THE INTENSITY OF EACH SAID PURE TONE TO THRESHOLD LEVEL IN THE PRESENCE OF SAID WHITE NOISE; AND INDICATING THE INTENSITIES OF EACH SAID PURE TONE.
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) | 1966-05-27 | 1966-11-26 | 1967-05-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-05-27 | 1970-11-26 | 1971-05-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-05-27 | 1974-11-26 | 1975-05-28 | $7700.00 | Window Closed / Lapsed |