Patent US3188374A successfully refreshed from Google Patents.
US3188374A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loudspeaker assembly
Assignee: Westinghouse Electric Corp
•
Filing: 1963-07-18
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Granted: 1965-06-08
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Expires: 1983-07-18
Abstract
No abstract record available.
Inventors
- 👤 Richard D Schotter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 03:30
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/02; H04R1/025
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
A LOUDSPEAKER ASSEMBLY COMPRISING A MOUNTING PANEL HAVING A FIRST AND SECOND MAJOR SURFACES WITH AN APERTURE EXTENDING THEREBETWEEN, A LOUDSPEAKER HAVING A CIRCULAR PERIPHERAL FRAME MEMBER POSITIONED IN SAID APERTURE, AND A RESILIENT MEMBER HAVING A FIRST CENTER
Claim 2
Dependent Claim
39 words
A LOUDSPEAKER ASSEMBLY COMPRISING A MOUNTING PANEL HAVING A FIRST AND SECOND MAJOR SURFACES WITH AN APERTURE EXTENDING THEREBETWEEN, A LOUDSPEAKER HAVING A CIRCULAR PERIPHERAL FRAME MEMBER POSITIONED IN SAID APERTURE, AND A RESILIENT MEMBER HAVING A FIRST CENTER
References Cited (Backward Citations)
US1028606A
Cited
US1819499A
Cited
US2718931A
Cited
US2797766A
Cited
US2878375A
Cited
FR1245024A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-07 | 1968-12-07 | 1969-06-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-07 | 1972-12-07 | 1973-06-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-07 | 1976-12-07 | 1977-06-08 | $7700.00 | Window Closed / Lapsed |