Patent US3353625A successfully refreshed from Google Patents.
US3353625A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Acoustic manifold
Assignee: AVID AIRLINE PRODUCTS Corp
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Filing: 1965-11-26
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Granted: 1967-11-21
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Expires: 1985-11-26
Abstract
No abstract record available.
Inventors
- 👤 Scanlon Thomas Aloysius
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 20:25
CPC Classifications
H; H04; H04M; H04M1/00; H04M1/02; H04M1/21; H04M1/215; H04M1/2155
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
39 words
AN ACOUSTIC MANIFOLD COMPRISING A CLOSED HOUSING, A SPEAKER MOUNTED IN SAID HOUSING, SAID SPEAKER BEING ADAPTED TO BE ELECTRICALLY CONNECTED TO AN AUDIO SOURCE, A PLURALITY OF VALVE MEANS WITHIN SAID HOUSING FOR COMMUNICATION WITH THE INTERIOR THEREOF.
Claim 2
Dependent Claim
39 words
AN ACOUSTIC MANIFOLD COMPRISING A CLOSED HOUSING, A SPEAKER MOUNTED IN SAID HOUSING, SAID SPEAKER BEING ADAPTED TO BE ELECTRICALLY CONNECTED TO AN AUDIO SOURCE, A PLURALITY OF VALVE MEANS WITHIN SAID HOUSING FOR COMMUNICATION WITH THE INTERIOR THEREOF.
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) | 1970-11-20 | 1971-05-22 | 1971-11-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-20 | 1975-05-22 | 1975-11-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-20 | 1979-05-22 | 1979-11-21 | $7700.00 | Window Closed / Lapsed |