US3200901A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loud-speaker
Assignee: Individual
•
Filing: 1964-04-20
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Granted: 1965-08-17
•
Expires: 1984-04-20
Abstract
No abstract record available.
Inventors
- 👤 Mark T Basseches
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 14:13
CPC Classifications
H; H04; H04R; H04R1/00; H04R1/20; H04R1/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A LOUD-SPEAKER DEVICE COMPRISINGA SEALED, LIQUID FILLED CONTAINER OF SUBSTANTIALLY FIXED VOLUME, A RELATIVELY STIFF RADIATING DIAPHRAGM FORMING A BOUNDARY OF SAID CONTAINER, A RELATIVELY STIFF SOUND GENERATOR DIAPHRAGM FORMING A SECOND BOUNDARY OF SAID CONTAINER, SAID SOUND GENERATOR DIAPHRAGM BEING OF LESSER AREA THAN SAID RADIATOR DIAPHRAGM, FIRST AND SECOND FLEXIBLE SUSPENSION MEANS INTERPOSED BETWEEEN SAID CONTAINER AND SAID RADIATING AND GENERATOR DIAPHRAGMA, RESPECTIVELY, FOR MOUNTING SAID INPUT AND RADIATOR DIAPHRAGMS TO SAID CONTAINER TO PERMIT EXCURSONS OF SAID DIAPHRAGMS RELATIVE TO SAID CONTAINER WITHOUT SUBSTANTIAL DEFORMATION OF SAID DIAPHRAGMS, AND TRANSDUCER MEAN CONNECTED TO SAID SOUND GENERATOR DIAPHRAGM FOR MOVING THE LATTER RESPONSIVE TO THE AMPLITUDIE AND FREQUENCY OF ELECTRICAL IMPULSES APLIED TO SAID TRANSDUCER MEANS.
Claim 2
Dependent Claim
118 words
A LOUD-SPEAKER DEVICE COMPRISINGA SEALED, LIQUID FILLED CONTAINER OF SUBSTANTIALLY FIXED VOLUME, A RELATIVELY STIFF RADIATING DIAPHRAGM FORMING A BOUNDARY OF SAID CONTAINER, A RELATIVELY STIFF SOUND GENERATOR DIAPHRAGM FORMING A SECOND BOUNDARY OF SAID CONTAINER, SAID SOUND GENERATOR DIAPHRAGM BEING OF LESSER AREA THAN SAID RADIATOR DIAPHRAGM, FIRST AND SECOND FLEXIBLE SUSPENSION MEANS INTERPOSED BETWEEEN SAID CONTAINER AND SAID RADIATING AND GENERATOR DIAPHRAGMA, RESPECTIVELY, FOR MOUNTING SAID INPUT AND RADIATOR DIAPHRAGMS TO SAID CONTAINER TO PERMIT EXCURSONS OF SAID DIAPHRAGMS RELATIVE TO SAID CONTAINER WITHOUT SUBSTANTIAL DEFORMATION OF SAID DIAPHRAGMS, AND TRANSDUCER MEAN CONNECTED TO SAID SOUND GENERATOR DIAPHRAGM FOR MOVING THE LATTER RESPONSIVE TO THE AMPLITUDIE AND FREQUENCY OF ELECTRICAL IMPULSES APLIED TO SAID TRANSDUCER 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) | 1968-08-16 | 1969-02-15 | 1969-08-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-08-16 | 1973-02-15 | 1973-08-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-08-16 | 1977-02-15 | 1977-08-17 | $7700.00 | Window Closed / Lapsed |