Patent US3063711A successfully refreshed from Google Patents.
US3063711A
Expired / Lapsed
US
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Pressure control for sheet feed means in duplicating machine
Assignee: Heyer Inc
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Filing: 1959-02-26
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Granted: 1962-11-13
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Expires: 1979-02-26
Abstract
No abstract record available.
Inventors
- 👤 Edward M Springer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:07
CPC Classifications
B; B65; B65H; B65H3/00; B65H3/46; B65H3/54
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1264053A
Cited
US2042131A
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US2359856A
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US2585873A
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US2689395A
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US2890517A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |