US3247925A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loudspeaker
Assignee: VERITY GROUP PLC
•
Filing: 1962-03-08
•
Granted: 1966-04-26
•
Expires: 1982-03-08
Abstract
No abstract record available.
Inventors
- 👤 Glenn E Warnaka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:31
CPC Classifications
H; H04; H04R; H04R7/00; H04R7/02; H04R7/04; H04R7/06; H04R7/10; H04R2440/00; H04R2440/01
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
IN A LOUDSPEAKER, A FRAME, A VOICE COIL AND MAGNET ASSEMBLY SUPPORTED ON THE FRAME, A PANEL, PANEL SUPPORTING MEANS FOR SUPPORTING THE PANEL IN FIXED RELATION TO THE FRAME PROHIBITING OVER ALL MOTION OF THE PANEL RELATIVE TO THE FRAME WHILE PERMITTING CROSS SECTIONAL DISTORTION THROUGHOUT THE PANEL AT LEAST UP TO THE EDGES OF THE PANEL, AND MEANS MECHANICALLY CONNECTING THE COIL TO THE PANEL TO BEND THE SAME, SAID PANEL HAVING A RATIO
Claim 2
Dependent Claim
76 words
IN A LOUDSPEAKER, A FRAME, A VOICE COIL AND MAGNET ASSEMBLY SUPPORTED ON THE FRAME, A PANEL, PANEL SUPPORTING MEANS FOR SUPPORTING THE PANEL IN FIXED RELATION TO THE FRAME PROHIBITING OVER ALL MOTION OF THE PANEL RELATIVE TO THE FRAME WHILE PERMITTING CROSS SECTIONAL DISTORTION THROUGHOUT THE PANEL AT LEAST UP TO THE EDGES OF THE PANEL, AND MEANS MECHANICALLY CONNECTING THE COIL TO THE PANEL TO BEND THE SAME, SAID PANEL HAVING A RATIO
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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) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |