Patent US3193624A successfully refreshed from Google Patents.
US3193624A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dictation mask sound receiver
Assignee: Individual
•
Filing: 1961-01-19
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Granted: 1965-07-06
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Expires: 1981-01-19
Abstract
No abstract record available.
Inventors
- 👤 Horace L Wcbb
- 👤 Harold M Steinman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 07:11
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/08; H04R1/083
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
100 words
A MASK FOR A TRANSDUCER INCLUDING A CASING PROVIDED WITH AN END WALL AND AN OPEN END, AN INHALATION TUBE EXTENDING INTO THE CASING THROUGH SAID END WALL, A GENERALLY TUBULAR MASKING WALL STRUCTURE AT SAID OPEN END FOR LOCATION AT THE FACE OF THE USER, EXHALATION MEANS THROUGH THE MASK, A FACE-FITTING PIECE SURROUNDING SAID OPEN END HAVING A PORTION INTERPOSED BETWEEN THE MARGIN OF SAID MASKING WALL STRUCTURE AND ADJACENT SURFACE OF THE CASING SERVING AS A GASKET, AND MEANS DETACHABLY SECURING AND DRAWING SAID TUBE AND MASKING WALL STRUCTURE TOGETHER WHICH CLAMPS SAID PORTION AGAINST SAID SURFACE.
References Cited (Backward Citations)
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US2769040A
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US2754377A
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US2745911A
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US2830135A
Cited
US2974665A
Cited
US2857013A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |