US3225860A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Speaker assembly
Assignee: MCTRO ELECTRONICS Corp
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Filing: 1964-07-20
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Granted: 1965-12-28
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Expires: 1984-07-20
Abstract
No abstract record available.
Inventors
- 👤 Charles R Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:44
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/02; H04R1/023; G; G08; G08B; G08B17/00; G08B17/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
THE COMBINATION WITH A SUPPORT WALL WHICH HAS A BLIND OPENING THEREIN, OF SPEAKER ASSEMBLY COMPRISING A MOUNTING RING ADAPTED TO BE SECURED IN ENGAGEMENT WITH THE WALL EXTENDING ABOUT SAID OPENING, A SPEAKER BASKET DISPOSED WITHIN SAID WALL OPENING, EXTENSION MEANS ON SAID BASKET AND SECURED TO SAID RING TO MOUNT SAID BASKET IN SAID WALL OPENING, FLANGE MEANS ON SAID MOUNTING RING PROJECTING AWAY FROM SAID WALL, SAND COVER MEANS EXTENDING ACROSS SAID MOUNTING RING AND REMOVABLY SECURED TO SAID FLANGE MEANS.
Claim 2
Dependent Claim
84 words
THE COMBINATION WITH A SUPPORT WALL WHICH HAS A BLIND OPENING THEREIN, OF SPEAKER ASSEMBLY COMPRISING A MOUNTING RING ADAPTED TO BE SECURED IN ENGAGEMENT WITH THE WALL EXTENDING ABOUT SAID OPENING, A SPEAKER BASKET DISPOSED WITHIN SAID WALL OPENING, EXTENSION MEANS ON SAID BASKET AND SECURED TO SAID RING TO MOUNT SAID BASKET IN SAID WALL OPENING, FLANGE MEANS ON SAID MOUNTING RING PROJECTING AWAY FROM SAID WALL, SAND COVER MEANS EXTENDING ACROSS SAID MOUNTING RING AND REMOVABLY SECURED TO SAID FLANGE MEANS.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-12-27 | 1969-06-28 | 1969-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-12-27 | 1973-06-28 | 1973-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-12-27 | 1977-06-28 | 1977-12-28 | $7700.00 | Window Closed / Lapsed |