Patent US3794550A successfully refreshed from Google Patents.
US3794550A
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US
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Sheet binding
Assignee: Standard Oil Co
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Filing: 1972-08-25
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Granted: 1974-02-26
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Expires: 1992-08-25
Abstract
Abstract Sheet binding where the printing medium itself is the sheet binder. In a xerographic process, high density areas of the toner are provided at desired binding areas. These toner binding areas may then be subsequently refused between adjacent overlaying sheets to provide bound sacks without requiring any separate or additional binding materials.
Inventors
- 👤 G Taillie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 22:46
CPC Classifications
B; B42; B42C; B42C9/00; B42C9/0081; B42C9/0093; G; G03; G03G; G03G15/00; G03G15/65; G03G15/6538; G03G15/6541; G03G15/6544; Y; Y10; Y10S; Y10S412/00; Y10S412/90; Y10T; Y10T156/00; Y10T156/17; Y10T156/1702; Y10T156/1712; Y10T156/1737
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-02-25 | 1977-08-27 | 1978-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-02-25 | 1981-08-27 | 1982-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-02-25 | 1985-08-27 | 1986-02-26 | $7700.00 | Window Closed / Lapsed |