Patent US3275099A successfully refreshed from Google Patents.
US3275099A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stethoscope ear tube mounting
Assignee: —
•
Filing: —
•
Granted: 1966-09-27
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Expires: 1983-09-27
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 15:02
CPC Classifications
A; A61; A61B; A61B7/00; A61B7/02; A61B7/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
136 words
A STETHOSCOPE COMPRISING AN ELONGATED FLEXIBLE TUBE HAVING AT ONE END A PAIR OF BRANCHING TUBE PORTIONS, A PAIR OF RIGID ELONGATED EAR TUBES HAVING LOWER ENDS RECEIVED IN SAID BRANCHING PORTIONS IN FLUID COMMUNICATION THEREWITH, AND A U-SHAPED ELONGATED LEAF SPRING EXTENDING IN SAID BRANCHING PORTIONS AND HAVING END PORTIONS INTERCONNECTING SAID EAR TUBES AT SAID LOWER ENDS FOR BIASING THE EAR TUBES TOWARDS EACH OTHER, SAID EAR TUBE ENDS AND SAID SPRING END PORTIONS HAVING INTERENGAGED COMPLEMENTARY FITTINGS, ONE OF SAID COMPLEMENTARY FITTINGS HAVING EXTERNAL GROOVE MEANS WITH THE OTHER COMPLEMENTARY FITTING HAVING A PORTION INTERENGAGED WITH SAID GROOVE MEANS TO PROVIDE FOR THE INDEPENDENT SWIVELING OF SAID EAR TUBES ABOUT THE AXES THEREOF FOR ADJUSTING THE EAR TUBES TO THE USER WHILE POSITIVELY RESTRAINING THE DISENGAGEMENT THEREOF FROM SAID SPRING AND BRANCHING PORTIONS.
Claim 2
Dependent Claim
136 words
A STETHOSCOPE COMPRISING AN ELONGATED FLEXIBLE TUBE HAVING AT ONE END A PAIR OF BRANCHING TUBE PORTIONS, A PAIR OF RIGID ELONGATED EAR TUBES HAVING LOWER ENDS RECEIVED IN SAID BRANCHING PORTIONS IN FLUID COMMUNICATION THEREWITH, AND A U-SHAPED ELONGATED LEAF SPRING EXTENDING IN SAID BRANCHING PORTIONS AND HAVING END PORTIONS INTERCONNECTING SAID EAR TUBES AT SAID LOWER ENDS FOR BIASING THE EAR TUBES TOWARDS EACH OTHER, SAID EAR TUBE ENDS AND SAID SPRING END PORTIONS HAVING INTERENGAGED COMPLEMENTARY FITTINGS, ONE OF SAID COMPLEMENTARY FITTINGS HAVING EXTERNAL GROOVE MEANS WITH THE OTHER COMPLEMENTARY FITTING HAVING A PORTION INTERENGAGED WITH SAID GROOVE MEANS TO PROVIDE FOR THE INDEPENDENT SWIVELING OF SAID EAR TUBES ABOUT THE AXES THEREOF FOR ADJUSTING THE EAR TUBES TO THE USER WHILE POSITIVELY RESTRAINING THE DISENGAGEMENT THEREOF FROM SAID SPRING AND BRANCHING PORTIONS.
References Cited (Backward Citations)
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Cited
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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) | 1969-09-26 | 1970-03-28 | 1970-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-26 | 1974-03-28 | 1974-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-26 | 1978-03-28 | 1978-09-27 | $7700.00 | Window Closed / Lapsed |