Patent US3717337A successfully refreshed from Google Patents.
US3717337A
Expired / Lapsed
US
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Sheet or signature feeding machines
Assignee: McCain Manufacturing Corp
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Filing: 1970-04-27
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Granted: 1973-02-20
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Expires: 1990-04-27
Abstract
Abstract A FEEDER FOR SHEETS OR SIGNATURES, FEEDING FROM A SUPPLY HOPPER TO A CONVEYOR, IS CONSTRUCTED TO HAVE A SINGLE EXTRACTING CYLINDER OPERATING BETWEEN THE SUPPLY AND THE HOPPER, EFFECTIVE TO FEED TWO SHEETS PER CYCLE OF REVOLUTION. A SHEET RELEASED FROM THE EXTRACTING CYLINDER IS SETTLED ON THE CONVEYOR BY MEANS OF AN AIR BLAST. FURTHER, THE ARRANGEMENT MAKES POSSIBLE AN IMPROVED SYSTEM FOR DEMOGRAPHIC SIGNATURE GATHERING.
Inventors
- 👤 W Mccain
- 👤 J Cosgrove
- 👤 E Zagorski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 11:27
CPC Classifications
B; B65; B65H; B65H5/00; B65H5/30; B65H5/305; B65H5/307; B65H2301/00; B65H2301/40; B65H2301/43; B65H2301/435; B65H2301/4351; B65H2301/45; B65H2301/453; B65H2301/4531; Y; Y10; Y10S; Y10S271/00; Y10S271/90
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) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |