US3206550A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stereophonic indicating apparatus for facilitating adjustment of stereophonic reproduction equipment
Assignee: Lanteris Space LLC
•
Filing: 1960-09-06
•
Granted: 1965-09-14
•
Expires: 1980-09-06
Abstract
No abstract record available.
Inventors
- 👤 Donald G Fink
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:16
CPC Classifications
H; H04; H04H; H04H20/00; H04H20/86; H04H20/88
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
IN COMBINATION, A BROADCAST RECEIVER INCLUDING TWO CHANNELS IN WHICH THERE MAY BE PRESENT EITHER STEREOPHONIC SIGNALS OR A MONOPHONIC SIGNAL, A VISUAL INDICATOR, AND MEANS CONNECTED TO SAID RECEIVER AND TO SAID INDICATOR FOR OPERATING THE LATTER TO APPRISE THE USER OF THE PRESENCE IN SAID CHANNEL OF STEROPHONIC SIGNALS AS DISTINGUISHED FROM THE PRESENCE THEREIN OF A MONOPHONIC SIGNAL.
Claim 2
Dependent Claim
61 words
IN COMBINATION, A BROADCAST RECEIVER INCLUDING TWO CHANNELS IN WHICH THERE MAY BE PRESENT EITHER STEREOPHONIC SIGNALS OR A MONOPHONIC SIGNAL, A VISUAL INDICATOR, AND MEANS CONNECTED TO SAID RECEIVER AND TO SAID INDICATOR FOR OPERATING THE LATTER TO APPRISE THE USER OF THE PRESENCE IN SAID CHANNEL OF STEROPHONIC SIGNALS AS DISTINGUISHED FROM THE PRESENCE THEREIN OF A MONOPHONIC SIGNAL.
References Cited (Backward Citations)
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Cited
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US2505585A
Cited
US2517805A
Cited
US2916732A
Cited
US3009151A
Cited
US3117186A
Cited
US3105117A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-09-13 | 1969-03-15 | 1969-09-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-09-13 | 1973-03-15 | 1973-09-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-09-13 | 1977-03-15 | 1977-09-14 | $7700.00 | Window Closed / Lapsed |