Patent US3107746A successfully refreshed from Google Patents.
US3107746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speaker design
Assignee: Individual
•
Filing: 1960-04-29
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Granted: 1963-10-22
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Expires: 1980-04-29
Abstract
No abstract record available.
Inventors
- 👤 Namon Richard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:07
CPC Classifications
H; H04; H04R; H04R9/00; H04R9/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
157 words
A TRANSDUCER COMPRISING: A FLEXIBLE PLATE HAVING A MID-PORTION AND EDGE PORTIONS ON OPPOSITE SIDES OF SAID MID-PORTION; FIRST SPRING MEANS URGING SAID EDGE PORTIONS TOWARD EACH OTHER AND RESULTINGLY SAID MID-PORTION IN A FIRST DIRECTION TRANSVERSELY TO A LINE BETWEEN SAID EDGE PORTIONS; SECOND SPRING MEANS URGING SAID MID-PORTION IN A SECOND DIRECTION OPPOSITE TO SAID FIRST DIRECTION AND RESULTINGLY SAID EDGE PORTIONS AWAY FROM EACH OTHER TO BALANCE THE URGING OF SAID FIRST RESILIENT MEANS, SAID FIRST SPRING MEANS BEING ARRANGED TO BIAS SAID EDGE PORTIONS TOWARD EACH OTHER INDEPENDENTLY OF SAID SECOND SPRING MEANS; RIGID MEANS PRECLUDING MOVEMENT OF SAID EDGE PORTIONS IN SAID SECOND DIRECTION, SAID PLATE MID-PORTION BEING RECIPROCABLE IN SAID FIRST AND SECOND DIRECTIONS AND SAID PLATE EDGE PORTIONS BEING RECIPROCABLE TOWWARD AND FROM EACH OTHER; AND A VOICE COIL COUPLED TO SAID PLATE FOR RECIPROCATING, AT SONIC FREQUENCIES, ONE OF SAID PORTIONS TO FLEX CORRESPONDINGLY SUBSTANTIALLY THE ENTIRE WALL MEMBER.
Claim 2
Dependent Claim
157 words
A TRANSDUCER COMPRISING: A FLEXIBLE PLATE HAVING A MID-PORTION AND EDGE PORTIONS ON OPPOSITE SIDES OF SAID MID-PORTION; FIRST SPRING MEANS URGING SAID EDGE PORTIONS TOWARD EACH OTHER AND RESULTINGLY SAID MID-PORTION IN A FIRST DIRECTION TRANSVERSELY TO A LINE BETWEEN SAID EDGE PORTIONS; SECOND SPRING MEANS URGING SAID MID-PORTION IN A SECOND DIRECTION OPPOSITE TO SAID FIRST DIRECTION AND RESULTINGLY SAID EDGE PORTIONS AWAY FROM EACH OTHER TO BALANCE THE URGING OF SAID FIRST RESILIENT MEANS, SAID FIRST SPRING MEANS BEING ARRANGED TO BIAS SAID EDGE PORTIONS TOWARD EACH OTHER INDEPENDENTLY OF SAID SECOND SPRING MEANS; RIGID MEANS PRECLUDING MOVEMENT OF SAID EDGE PORTIONS IN SAID SECOND DIRECTION, SAID PLATE MID-PORTION BEING RECIPROCABLE IN SAID FIRST AND SECOND DIRECTIONS AND SAID PLATE EDGE PORTIONS BEING RECIPROCABLE TOWWARD AND FROM EACH OTHER; AND A VOICE COIL COUPLED TO SAID PLATE FOR RECIPROCATING, AT SONIC FREQUENCIES, ONE OF SAID PORTIONS TO FLEX CORRESPONDINGLY SUBSTANTIALLY THE ENTIRE WALL MEMBER.
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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) | 1966-10-21 | 1967-04-22 | 1967-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-21 | 1971-04-22 | 1971-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-21 | 1975-04-22 | 1975-10-22 | $7700.00 | Window Closed / Lapsed |