Patent US2766870A successfully refreshed from Google Patents.
US2766870A
Expired / Lapsed
US
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Bookbinding machine
Assignee: Dexter Folder Co
•
Filing: 1952-04-04
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Granted: 1956-10-16
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Expires: 1972-04-04
Abstract
No abstract record available.
Inventors
- 👤 Baker Leonard
- 👤 Norman H Runge
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:25
CPC Classifications
B; B42; B42C; B42C19/00; B42C19/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US361023A
Cited
US1646359A
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US901820A
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US1188747A
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US1793552A
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US1867803A
Cited
US1914642A
Cited
US2339761A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |