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Patent US3438778A successfully refreshed from Google Patents.
US3438778A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Planographic printing plate
Assignee: Azoplate Corp
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Filing: 1965-01-22
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Granted: 1969-04-15
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Expires: 1985-01-22
Abstract
No abstract record available.
Inventors
- 👤 Fritz Uhlig
- 👤 Erwin Lind
- 👤 Hartmut Steppan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:06
CPC Classifications
G; G03; G03G; G03G5/00; G03G5/14; G03G5/142; B; B41; B41N; B41N3/00; B41N3/03; B41N3/038; G03G13/00; G03G13/26; G03G13/28
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-04-14 | 1972-10-14 | 1973-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-04-14 | 1976-10-14 | 1977-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-04-14 | 1980-10-14 | 1981-04-15 | $7700.00 | Window Closed / Lapsed |