US3523158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrographic color image printing apparatus employing triad color strip zone development
Assignee: Varian Medical Systems Inc
•
Filing: 1967-01-30
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Granted: 1970-08-04
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Expires: 1987-01-30
Abstract
No abstract record available.
Inventors
- 👤 Renn Zaphiropoulos
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 03:05
CPC Classifications
H; H04; H04N; H04N1/00; H04N1/46; H04N1/50; H04N1/502; G; G03; G03G; G03G15/00; G03G15/01; G03G15/0142
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
CA470294A
Cited
US2143376A
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US3045644A
Cited
US2951894A
Cited
US3104184A
Cited
US3230303A
Cited
US3270349A
Cited
US3420170A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-08-03 | 1974-02-02 | 1974-08-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-08-03 | 1978-02-02 | 1978-08-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-08-03 | 1982-02-02 | 1982-08-04 | $7700.00 | Window Closed / Lapsed |