Patent US3047738A successfully refreshed from Google Patents.
US3047738A
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Ring counter pulse distributor using a single two-state device per stage and a source of phase-opposed alternating voltages for driving common pushpull lines
Assignee: AT&T Inc
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Filing: 1958-06-12
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Granted: 1962-07-31
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Expires: 1978-06-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles W Haas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 03:12
CPC Classifications
H; H03; H03K; H03K3/00; H03K3/02; H03K3/027; H03K3/038
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2470716A
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US2586409A
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US2623171A
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US2844310A
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US2719227A
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US2764349A
Cited
US2816226A
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US2922985A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |