Patent US3000631A successfully refreshed from Google Patents.
US3000631A
Expired / Lapsed
US
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Sheet abstracting device for layboys
Assignee: Champion Paper and Fibre Co
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Filing: 1958-08-27
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Granted: 1961-09-19
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Expires: 1978-08-27
Abstract
No abstract record available.
Inventors
- 👤 Hain Paul
- 👤 Daniel J Kuebel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 08:40
CPC Classifications
B; B65; B65H; B65H29/00; B65H29/58; B65H29/62
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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FR1073796A
Cited
US2785894A
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US2815949A
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FR1148272A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |