Patent US1240409A successfully refreshed from Google Patents.
US3455293A
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Stethoscope device
Assignee: ROBERT W M BETHUNE
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Filing: 1964-08-05
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Granted: 1969-07-15
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Expires: 1984-08-05
Abstract
No abstract record available.
Inventors
- 👤 Robert W M Bethune
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 13:02
CPC Classifications
A; A61; A61B; A61B7/00; A61B7/02; A61B7/026; A61B5/00; A61B5/24; A61B5/316; A61B5/318; A61B5/332
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A STETHOSCOPE COMPRISING: AN EAR INSERT; A STETHOSCOPE PICK-UP; A FLEXIBLE TUBULAR MEMBER CONNECTED BETWEEN SAID EAR INSERT AND STETHOSCOPE PICK-UP TO PROVIDE A SOUND CARRYING PASSAGE THEREBETWEEN; AND, AN ELECTRICAL CONDUCTOR WIRE DISPOSED WITHIN AT LEAST A PORTION OF SAID FLEXIBLE TUBULAR MEMBER AND HAVING ONE END ELECTRICALLY CONNECTED WITH SAID STETHOSCOPE PICK-UP AND ITS OTHER END PASSING LATERALLY FROM SAID FLEXIBLE TUBULAR MEMBER WHEREBY SAID FLEXIBLE TUBUALR MEMBER SERVES THE DUAL FUNCTION OF PASSING SOUND IMPULSES AND OF HOUSING AND ELECTRICAL CONDUCTOR WIRE.
Claim 2
Dependent Claim
85 words
A STETHOSCOPE COMPRISING: AN EAR INSERT; A STETHOSCOPE PICK-UP; A FLEXIBLE TUBULAR MEMBER CONNECTED BETWEEN SAID EAR INSERT AND STETHOSCOPE PICK-UP TO PROVIDE A SOUND CARRYING PASSAGE THEREBETWEEN; AND, AN ELECTRICAL CONDUCTOR WIRE DISPOSED WITHIN AT LEAST A PORTION OF SAID FLEXIBLE TUBULAR MEMBER AND HAVING ONE END ELECTRICALLY CONNECTED WITH SAID STETHOSCOPE PICK-UP AND ITS OTHER END PASSING LATERALLY FROM SAID FLEXIBLE TUBULAR MEMBER WHEREBY SAID FLEXIBLE TUBUALR MEMBER SERVES THE DUAL FUNCTION OF PASSING SOUND IMPULSES AND OF HOUSING AND ELECTRICAL CONDUCTOR WIRE.
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) | 1972-07-14 | 1973-01-13 | 1973-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-14 | 1977-01-13 | 1977-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-14 | 1981-01-13 | 1981-07-15 | $7700.00 | Window Closed / Lapsed |