Patent US3842706A successfully refreshed from Google Patents.
US3842706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mute having means for eliminating unresponsive notes in brass instruments
Assignee: Individual
•
Filing: 1974-02-27
•
Granted: 1974-10-22
•
Expires: 1994-02-27
Abstract
Abstract A mute for use in brass instruments having means for spacing it from the bell of the instrument to provide wind passages threrbetween and having according to this invention absorbent acoustical material in the passages at the nodal points between the mute and the bell to dampen out certain phenomena.
Inventors
- 👤 S Beversdorf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:50
CPC Classifications
G; G10; G10D; G10D9/00; G10D9/06
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
94 words
A mute for a brass musical instrument comprising: a tapering, hollow, tubular body being closed at the large end and open at the small end; spacer means fixed to the exterior of said body adjacent said small end for frictionally securing said body to the bell of said instrument when said mute is inserted therein, said spacer means forming a plurality of wind passages defined by said bell, said body, and said spacer means; and sound absorbing means affixed to the exterior of said body adjacent one end of each of said wind passages.
Claim 2
Dependent Claim
94 words
A mute for a brass musical instrument comprising: a tapering, hollow, tubular body being closed at the large end and open at the small end; spacer means fixed to the exterior of said body adjacent said small end for frictionally securing said body to the bell of said instrument when said mute is inserted therein, said spacer means forming a plurality of wind passages defined by said bell, said body, and said spacer means; and sound absorbing means affixed to the exterior of said body adjacent one end of each of said wind passages.
Claim 3
Dependent Claim
23 words
A mute according to claim 1 wherein said sound absorbing means are located at the nodal points between the mute and the bell.
Claim 4
Dependent Claim
37 words
A mute according to claim 1 in which the spacing means comprises longitudinally extending spacer strips of substantial thickness, and said sound absorbing means comprises pads of sound absorbing material having less thickness than said spacer strips.
Claim 5
Dependent Claim
23 words
A mute according to claim 3 in which said pads are of felt and are of substantially less thickness than the spacer strips.
Claim 6
Dependent Claim
44 words
A mute according to claim 4 in which the pads of felt are located in said respective wind passages in angularly spaced relationship relative to said spacer strips and in longitudinally overlapping relationship thereto with portions within the passages and portions extending outwardly therefrom.
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) | 1977-10-21 | 1978-04-22 | 1978-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-10-21 | 1982-04-22 | 1982-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-10-21 | 1986-04-22 | 1986-10-22 | $7700.00 | Window Closed / Lapsed |