US3233695A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speaker enclosure
Assignee: BUDSEN CORP
•
Filing: 1964-07-10
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Granted: 1966-02-08
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Expires: 1984-07-10
Abstract
No abstract record available.
Inventors
- 👤 Ralph E Hutchins
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:20
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/22; H04R1/28; H04R1/2807; H04R1/283; H04R1/2834
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
56 words
A SUBSTANTIALLY CLOSED SPEAKER ENCLOSURE A BOUNDARY OF WHICH COMPRISES A SUBSTANTIALLY RECTANGULAR PANEL RESILIENTLY SUPPORTED ALONG ONE EDGE THEREOF AND ALONG ADJACENT PORTIONS OF EACH EDGE OF SAID PANEL THE ADJOINS SAID ONE EDGE, SO THAT SAID PANEL IS VIBRATILE IN THE MODE OF A RELATIVELY WIDE REED AND IN THE MODE OF A PLATE.
Claim 2
Dependent Claim
56 words
A SUBSTANTIALLY CLOSED SPEAKER ENCLOSURE A BOUNDARY OF WHICH COMPRISES A SUBSTANTIALLY RECTANGULAR PANEL RESILIENTLY SUPPORTED ALONG ONE EDGE THEREOF AND ALONG ADJACENT PORTIONS OF EACH EDGE OF SAID PANEL THE ADJOINS SAID ONE EDGE, SO THAT SAID PANEL IS VIBRATILE IN THE MODE OF A RELATIVELY WIDE REED AND IN THE MODE OF A PLATE.
References Cited (Backward Citations)
US1923870A
Cited
US2476572A
Cited
US2713396A
Cited
US2757751A
Cited
US2834423A
Cited
US2811215A
Cited
US3090461A
Cited
US3150739A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-02-07 | 1969-08-09 | 1970-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-02-07 | 1973-08-09 | 1974-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-02-07 | 1977-08-09 | 1978-02-08 | $7700.00 | Window Closed / Lapsed |