Patent US3747203A successfully refreshed from Google Patents.
Patent US2435195A successfully refreshed from Google Patents.
US2435195A
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Data smoothing network
Assignee: AT&T Inc
•
Filing: 1942-06-20
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Granted: 1948-02-03
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Expires: 1962-06-20
Abstract
No abstract record available.
Inventors
- 👤 David C Bomberger
- 👤 Clarence A Lovell
- 👤 Henry G Och
- 👤 Karl D Swartzel
- 👤 Bruce T Weber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:01
CPC Classifications
G; G06; G06G; G06G7/00; G06G7/12; G06G7/18; G06G7/188
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-02-02 | 1951-08-04 | 1952-02-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-02-02 | 1955-08-04 | 1956-02-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-02-02 | 1959-08-04 | 1960-02-03 | $7700.00 | Window Closed / Lapsed |