Patent US2272254A successfully refreshed from Google Patents.
US2272254A
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Flexible printing plate
Assignee: Bakelite Corp
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Filing: 1938-06-17
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Granted: 1942-02-10
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Expires: 1958-06-17
Abstract
No abstract record available.
Inventors
- 👤 Swan Hylton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:25
CPC Classifications
B; B41; B41C; B41C3/00; B41C3/04; B29; B29B; B29B15/00; B29B15/08; B29C; B29C70/00; B29C70/04; B29C70/28; B29C70/40; B29C70/42; B29C70/46; B29C70/467; B29K; B29K2021/00; B29K2061/00; B29K2061/04; B29K2061/20; B29K2105/00; B29K2105/06; B29K2105/08; B29K2105/0809; B29L; B29L2007/00; B29L2007/001; B29L2031/00; B29L2031/767; Y; Y10; Y10T; Y10T428/00; Y10T428/24; Y10T428/24479; Y10T428/24612
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1945-02-09 | 1945-08-11 | 1946-02-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-02-09 | 1949-08-11 | 1950-02-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-02-09 | 1953-08-11 | 1954-02-10 | $7700.00 | Window Closed / Lapsed |