US2587439A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Making ready cylindrical printing plate
Assignee: Electrographic Corp
•
Filing: 1950-01-05
•
Granted: 1952-02-26
•
Expires: 1970-01-05
Abstract
No abstract record available.
Inventors
- 👤 George W Bungay
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:40
CPC Classifications
B; B41; B41M; B41M9/00
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1005619A
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US1152393A
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US1537461A
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US1545958A
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US2036835A
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US2413747A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-02-25 | 1955-08-27 | 1956-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-02-25 | 1959-08-27 | 1960-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-02-25 | 1963-08-27 | 1964-02-26 | $7700.00 | Window Closed / Lapsed |