Patent US3394352A successfully refreshed from Google Patents.
US3394352A
Expired / Lapsed
US
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Method of and apparatus for code communication
Assignee: Electronic Image Systems Corp
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Filing: 1965-07-22
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Granted: 1968-07-23
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Expires: 1985-07-22
Abstract
No abstract record available.
Inventors
- 👤 Wernikoff Robert
- 👤 Epstein Paul
- 👤 William F Schreiber
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:05
CPC Classifications
H; H03; H03M; H03M7/00; H03M7/30; H03M7/46; H03M7/48; G; G06; G06F; G06F13/00; G06F13/38; H04; H04N; H04N1/00; H04N1/41; H04N1/411; H04N1/413
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2953777A
Cited
US2933563A
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US3051929A
Cited
US3228004A
Cited
US3121860A
Cited
US3202982A
Cited
US3147343A
Cited
US3267439A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-07-23 | 1972-01-22 | 1972-07-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-07-23 | 1976-01-22 | 1976-07-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-07-23 | 1980-01-22 | 1980-07-23 | $7700.00 | Window Closed / Lapsed |