Patent US3206677A successfully refreshed from Google Patents.
US3206677A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Unidirectional circuit paths to utilize bipolar signals to energize and control the output of frequency generation circuits
Assignee: AT&T Inc
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Filing: 1960-08-30
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Granted: 1965-09-14
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Expires: 1980-08-30
Abstract
No abstract record available.
Inventors
- 👤 Joseph M Wier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:12
CPC Classifications
H; H04; H04L; H04L27/00; H04L27/02; H04L27/04
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
106 words
IN COMBINATION, A BIPOLAR ENERGY SOURCE, FREQUENCY GENERATION MEANS, SAID FREQUENCY GENERATION MEANS INCLUDING INPUT AND OUTPUTS MEANS, SEPARATE UNIDIRECTIONAL CIRCUIT CONNECTION MEANS TO ALTERNATELY CONNECT EACH POLARITY OF BIPOLAR ENERGY TO THE INPUT OF SAID FREQUENCY GENERATING MEANS, ALTERNATELY OPERABLE OUTPUT MEANS CONNECTED IN AT LEAST ONE OF SAID UNIDIRECTIONAL CIRCUIT CONNECTION MEANS, SAID FREQUENCY GENERATION MEANS COMPRISING A FIRST OSCILLATION MEANS CONTINUOUSLY ENERGIZED AT A FIRST PRESELECTED FREQUENCY AND SECOND OSCILLATION MEANS CONTINUOUSLY ENERGIZED AT A SECOND PRESELECTED FREQUENCY, SAID OUTPUT MEANS BEING INDIVIDUAL TO EACH OF SAID OSCILLATORY MEANS, AND MEANS RESPONSIVE TO SAID BIPOLAR ENERGY SOURCE TO SELECTIVELY DISABLE SAID OUTPUT 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) | 1968-09-13 | 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 |