Patent US2774302A successfully refreshed from Google Patents.
US2774302A
Expired / Lapsed
US
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Flexible printing plate
Assignee: Individual
•
Filing: 1954-06-08
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Granted: 1956-12-18
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Expires: 1974-06-08
Abstract
No abstract record available.
Inventors
- 👤 Stromme Reidar
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 05:08
CPC Classifications
B; B41; B41F; B41F27/00; B41F27/02; B41N; B41N6/00; B41N6/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1377506A
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US1357341A
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US1531492A
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US1442338A
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US1589024A
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US1657287A
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US1707729A
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US1939681A
Cited
US1941148A
Cited
US2048631A
Cited
US2172144A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-12-18 | 1960-06-18 | 1960-12-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-12-18 | 1964-06-18 | 1964-12-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-12-18 | 1968-06-18 | 1968-12-18 | $7700.00 | Window Closed / Lapsed |