US3217831A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Sound tube head set
Assignee: AVID AIRLINE PRODUCTS Corp
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Filing: 1965-06-30
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Granted: 1965-11-16
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Expires: 1985-06-30
Abstract
No abstract record available.
Inventors
- 👤 Scanlon Edward Charles
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:17
CPC Classifications
G; G10; G10K; G10K11/00; G10K11/18; G10K11/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
195 words
A SOUND TUBE HEAD SET FOR CONDUCTING SOUND WAVES COMPRISING A FIRST EAR TIP PROVIDED WITH AN ACOUSTICAL CHAMBER AND ACOUSTICAL CAVITY, AN EAR CUSHION STEM PROJECTING FROM SAID FIRST EAR TIP PROVIDED WITH AN EAR PORT IN COMMUNICATION WITH SAID ACOUSTICAL CHAMBER, AN ACOUSTICAL CONDUIT PROVIDED WITH AN ACOUSTICAL PASSAGEWAY, MEANS FASTENING SAID ACOUSTICAL CONDUIT TO SAID FIRST EAR TIP WITH SAID ACOUSTICAL PASSAGEWAY IN COMMUNICATION WITH SAID ACOUSTICAL CHAMBER, A SOUND CONDUIT PROVIDED WITH A SOUND PASSAGEWAY, MEANS FASTENING SAID SOUND CONDUIT TO SAID FIRST EAR TIP WITH SAID SOUND PASSAGEWAY IN COMMUNICATION WITH SAID ACOUSTICAL CAVITY, A SECOND EAR TIP PROVIDED WITH A SOUND CHAMBER AND AN EAR CUSHION EXTENSION HAVING AN ACOUSTICAL PORT IN COMMUNICATION WITH SAID SOUND CHAMBER, AND A TUBE PROVIDED WITH A CONNECTING PASSAGEWAY, MEANS FASTENING ONE END OF SAID TUBE TO SAID FIRST EAR TIP WITH SAID CONNECTING PASSAGEWAY IN COMMUNICATION WITH SAID ACOUSTICAL CAVITY AND MEANS FASTENING THE OTHER END OF SAID TUBE TO SAID SECOND EAR TIP WITH SAID CONNECTING PASSAGEWAY IN COMMUNICATION WITH SAID SOUND CHAMBER, AND AN AIR SOUND APERTURE LOCATED IN SAID FIRST EAR TIP, VENTING SAID ACOUSTICAL CHAMBER TO THE ATMOSPHERE.
Claim 2
Dependent Claim
195 words
A SOUND TUBE HEAD SET FOR CONDUCTING SOUND WAVES COMPRISING A FIRST EAR TIP PROVIDED WITH AN ACOUSTICAL CHAMBER AND ACOUSTICAL CAVITY, AN EAR CUSHION STEM PROJECTING FROM SAID FIRST EAR TIP PROVIDED WITH AN EAR PORT IN COMMUNICATION WITH SAID ACOUSTICAL CHAMBER, AN ACOUSTICAL CONDUIT PROVIDED WITH AN ACOUSTICAL PASSAGEWAY, MEANS FASTENING SAID ACOUSTICAL CONDUIT TO SAID FIRST EAR TIP WITH SAID ACOUSTICAL PASSAGEWAY IN COMMUNICATION WITH SAID ACOUSTICAL CHAMBER, A SOUND CONDUIT PROVIDED WITH A SOUND PASSAGEWAY, MEANS FASTENING SAID SOUND CONDUIT TO SAID FIRST EAR TIP WITH SAID SOUND PASSAGEWAY IN COMMUNICATION WITH SAID ACOUSTICAL CAVITY, A SECOND EAR TIP PROVIDED WITH A SOUND CHAMBER AND AN EAR CUSHION EXTENSION HAVING AN ACOUSTICAL PORT IN COMMUNICATION WITH SAID SOUND CHAMBER, AND A TUBE PROVIDED WITH A CONNECTING PASSAGEWAY, MEANS FASTENING ONE END OF SAID TUBE TO SAID FIRST EAR TIP WITH SAID CONNECTING PASSAGEWAY IN COMMUNICATION WITH SAID ACOUSTICAL CAVITY AND MEANS FASTENING THE OTHER END OF SAID TUBE TO SAID SECOND EAR TIP WITH SAID CONNECTING PASSAGEWAY IN COMMUNICATION WITH SAID SOUND CHAMBER, AND AN AIR SOUND APERTURE LOCATED IN SAID FIRST EAR TIP, VENTING SAID ACOUSTICAL CHAMBER TO THE ATMOSPHERE.
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) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |