Patent US2679644A successfully refreshed from Google Patents.
US2679644A
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US
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Data encoder system
Assignee: United States Department of the Army
•
Filing: 1951-04-03
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Granted: 1954-05-25
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Expires: 1971-04-03
Abstract
No abstract record available.
Inventors
- 👤 Lippel Bernard
- 👤 Joseph A Buegler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 09:57
CPC Classifications
H; H03; H03M; H03M1/00; H03M1/12; H03M1/22; Y; Y10; Y10T; Y10T409/00; Y10T409/30; Y10T409/30084; Y10T409/300896; Y10T409/301176; Y10T409/301624; Y10T409/30168; Y10T409/301792
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1957-05-24 | 1957-11-23 | 1958-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-24 | 1961-11-23 | 1962-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-24 | 1965-11-23 | 1966-05-25 | $7700.00 | Window Closed / Lapsed |