Patent US3744365A successfully refreshed from Google Patents.
US3744365A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mouthpiece for wind musical instrument
Assignee: Individual
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Filing: 1972-05-19
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Granted: 1973-07-10
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Expires: 1992-05-19
Abstract
Abstract In a wind musical instrument having a mouthpiece having an elastic air tunnel formed of elastic means in sheet form, a method of varying the pitch of the sound produced by said instrument comprising widthwise stretching said elastic means by applying lip pressure to said mouthpiece and varying said stretching by varying said lip pressure.
Inventors
- 👤 J Kordula
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 21:00
CPC Classifications
G; G10; G10D; G10D7/00; G10D7/06; G10D7/063; G10D7/10; G10D9/00; G10D9/02; G10D9/03
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
139 words
A mouthpiece for a wind musical instrument comprising, a body having an end having a concave recess therein with peaks at opposite sides thereof, a mouthpiece part comprising a peripheral flange for mounting said mouthpiece part on said body end, said mouthpiece part having a wall connected to said flange, said wall having a slit therein, said mouthpiece part having elastic sheet means projecting from said wall and defining therein a tunnel aligned with said slit, said mouthpiece part having means connected to said elastic sheet means having bent portions which rest on said peaks when said mouthpiece part is mounted on said body end whereby said bent portions rock on said peaks in response to changes in pressure on said wall so as to widthwise stretch said elastic sheet means and thereby vary the cross-section of said tunnel.
Claim 2
Dependent Claim
139 words
A mouthpiece for a wind musical instrument comprising, a body having an end having a concave recess therein with peaks at opposite sides thereof, a mouthpiece part comprising a peripheral flange for mounting said mouthpiece part on said body end, said mouthpiece part having a wall connected to said flange, said wall having a slit therein, said mouthpiece part having elastic sheet means projecting from said wall and defining therein a tunnel aligned with said slit, said mouthpiece part having means connected to said elastic sheet means having bent portions which rest on said peaks when said mouthpiece part is mounted on said body end whereby said bent portions rock on said peaks in response to changes in pressure on said wall so as to widthwise stretch said elastic sheet means and thereby vary the cross-section of said tunnel.
Claim 3
Dependent Claim
19 words
A mouthpiece as in claim 1 wherein said body is a flared tube tapering outwardly from said body end.
Claim 4
Dependent Claim
22 words
A mouthpiece as in claim 1 wherein said body is a part of a removable mouthpiece of a brass wind musical instrument.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-07-09 | 1977-01-08 | 1977-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-07-09 | 1981-01-08 | 1981-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-07-09 | 1985-01-08 | 1985-07-10 | $7700.00 | Window Closed / Lapsed |