Patent US3224437A successfully refreshed from Google Patents.
US3224437A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible ear speculum
Assignee: Universal Products Corp
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Filing: 1962-04-04
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Granted: 1965-12-21
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Expires: 1982-04-04
Abstract
No abstract record available.
Inventors
- 👤 James F Hardgrove
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:52
CPC Classifications
A; A61; A61F; A61F11/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
190 words
FOR USE IN CONJUNCTION WITH A LIGHT CONTAINING DIAGNOSTIC INSTRUMENT, AN EAR SPECULUM CONSISTING OF A HOLLOW SUBSTANTIALLY FRUSTO-CONICAL BODY OPEN AT ITS BASE AND APEX ENDS, SAID SPECULUM BEING FORMED OF A FLEXIBLE RESILIENT MATERIAL AND CAPABLE OF LATERAL DEFLECTION UPON CONTACT WITH THE INTERIOR OF AN EAR SO AS TO PERMIT DAMAGE TO THE EAR, SAID DEFLECTION ALSO DIRECTING THE PASSAGE OF A LIGHT BEAM THROUGH THE BODY SO AS TO CONTROL THE ILLUMINATION OF THE INTERIOR OF THE EAR, AN ACCESS SLOT THROUGH THE BODY EXTENDING INWARDLY A SHORT DISTANCE FROM THE APEX END THEREOF, SAID SLOT ALLOWING FOR A SLIGHT INWARD FOLDING OF THE APEX END UPON ENGAGEMENT OF THE SPECULUM WITHIN AN EAR, AND A DOWNWARDLY EXTENDING LONGITUDINALLY ORIENTED SOLID PROJECTION INTEGRAL WITH THE BASE END OF THE BODY AND SIMILARLY FORMED OF FLEXIBLE RESILIENT MATERIAL, SAID PROJECTION HAVING A BLIND BORE EXTENDING INWARDLY INTO THE SOLID PROJECTION FROM THE END THEREOF CORRESPONDING TO THE BASE END OF THE BODY, SAID BORE BEING OF A SIZE SO AS TO FRICTIONALLY ENGAGE A PROJECTING SUPPORT ON A DIAGNOSTIC INSTRUMENT IN ORDER TO MOUNT THE SPECULUM THEREON.
Claim 2
Dependent Claim
190 words
FOR USE IN CONJUNCTION WITH A LIGHT CONTAINING DIAGNOSTIC INSTRUMENT, AN EAR SPECULUM CONSISTING OF A HOLLOW SUBSTANTIALLY FRUSTO-CONICAL BODY OPEN AT ITS BASE AND APEX ENDS, SAID SPECULUM BEING FORMED OF A FLEXIBLE RESILIENT MATERIAL AND CAPABLE OF LATERAL DEFLECTION UPON CONTACT WITH THE INTERIOR OF AN EAR SO AS TO PERMIT DAMAGE TO THE EAR, SAID DEFLECTION ALSO DIRECTING THE PASSAGE OF A LIGHT BEAM THROUGH THE BODY SO AS TO CONTROL THE ILLUMINATION OF THE INTERIOR OF THE EAR, AN ACCESS SLOT THROUGH THE BODY EXTENDING INWARDLY A SHORT DISTANCE FROM THE APEX END THEREOF, SAID SLOT ALLOWING FOR A SLIGHT INWARD FOLDING OF THE APEX END UPON ENGAGEMENT OF THE SPECULUM WITHIN AN EAR, AND A DOWNWARDLY EXTENDING LONGITUDINALLY ORIENTED SOLID PROJECTION INTEGRAL WITH THE BASE END OF THE BODY AND SIMILARLY FORMED OF FLEXIBLE RESILIENT MATERIAL, SAID PROJECTION HAVING A BLIND BORE EXTENDING INWARDLY INTO THE SOLID PROJECTION FROM THE END THEREOF CORRESPONDING TO THE BASE END OF THE BODY, SAID BORE BEING OF A SIZE SO AS TO FRICTIONALLY ENGAGE A PROJECTING SUPPORT ON A DIAGNOSTIC INSTRUMENT IN ORDER TO MOUNT THE SPECULUM THEREON.
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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) | 1968-12-20 | 1969-06-21 | 1969-12-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-20 | 1973-06-21 | 1973-12-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-20 | 1977-06-21 | 1977-12-21 | $7700.00 | Window Closed / Lapsed |