Patent US3456587A successfully refreshed from Google Patents.
US3456587A
Expired / Lapsed
US
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Plate cylinder with retractable register pins
Assignee: ARKAY Corp A CORP OF WS
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Filing: 1966-04-11
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Granted: 1969-07-22
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Expires: 1986-04-11
Abstract
No abstract record available.
Inventors
- 👤 Claude K Hulen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 14:26
CPC Classifications
B; B41; B41F; B41F27/00; B41F27/12; B41F27/1218; B41F27/1225; B41F27/1231
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2192924A
Cited
US2277405A
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US2579517A
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US2688194A
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US3160096A
Cited
GB851841A
Cited
US3103880A
Cited
US3353481A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-07-21 | 1973-01-20 | 1973-07-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-07-21 | 1977-01-20 | 1977-07-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-07-21 | 1981-01-20 | 1981-07-22 | $7700.00 | Window Closed / Lapsed |