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Patent US3019729A successfully refreshed from Google Patents.
US3019729A
Expired / Lapsed
US
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Underside lock up device for printing plates
Assignee: R Hoe and Co Inc
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Filing: 1958-09-26
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Granted: 1962-02-06
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Expires: 1978-09-26
Abstract
No abstract record available.
Inventors
- 👤 Carl H Ringe
- 👤 Charles A Harless
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 08:22
CPC Classifications
B; B41; B41F; B41F27/00; B41F27/10
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US1805134A
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US2072909A
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US2095724A
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US2645177A
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US2621590A
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US2709405A
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US2709406A
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US2667832A
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US2909999A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-05 | 1965-08-07 | 1966-02-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-05 | 1969-08-07 | 1970-02-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-05 | 1973-08-07 | 1974-02-06 | $7700.00 | Window Closed / Lapsed |