Patent US2630756A successfully refreshed from Google Patents.
US2630756A
Expired / Lapsed
US
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Printing plate for use on the cylinders of rotary printing machines and in clamping mechanism therefor
Assignee: R Hoe and Co Inc
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Filing: 1950-01-10
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Granted: 1953-03-10
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Expires: 1970-01-10
Abstract
No abstract record available.
Inventors
- 👤 Crabtree John Oldfield
- 👤 Marshall Charles William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:43
CPC Classifications
B; B41; B41F; B41F27/00; B41F27/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1456518A
Cited
US1597534A
Cited
US1840320A
Cited
US1985627A
Cited
GB419738A
Cited
US2131891A
Cited
US2474127A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |