US3291483A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Magazines for holding packs of sheet material
Assignee: Purdy Machinery Co Ltd
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Filing: 1964-06-22
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Granted: 1966-12-13
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Expires: 1984-06-22
Abstract
No abstract record available.
Inventors
- 👤 Silver Dennis Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 18:15
CPC Classifications
B; B65; B65C; B65C9/00; B65C9/08; B65C9/10
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
166 words
A MAGAZINE FOR HOLDING PACKS OF SHEET MATERIAL AND WHEREIN PRESSURE IS APPLIED TO THE BACK OF THE PACK SO THAT THE FOREMOST SHEET IS ALWAYS IN A PREDETERMINED POSITION, IN WHICH IT CAN BE PICKED FROM THE MAGAZINE TO BE DELIVERED TO A POINT AT WHICH IT IS REQUIRED, THE MAGAZINE INCLUDING AN ELONGATED CONTAINER FOR THE PACK OF SHEETS ARRANGED SO THAT THE SAID PREDETERMINED POSITION IS LOCATED SUBSTANTIALLY AT ONE END OF THE CONTAINER, A PRESSURE MEMBER FOR EXERTING A THRUST ON THE END OF THE PACK REMOTE FROM THE PREDETERMINED POSITION, MEANS FOR CAUSING THE PRESSURE MEMBER TO EXERT THE SAID THRUST, AND MEANS FOR PERIODICALLY GRIPPING A PACK OF SHEETS IN THE MAGAZINE, AT OR NEAR THE FORWARD END OF THE PACK, AND WITHDRAWING THESE SHEETS TOWARDS THE REAR OF THE MAGAZINE, ENABLING THE FRONT LABEL TO BE PICKED WHILE THE WITHDRAWAL OF THE LABELS AT OR NEAR ITS REAR FACE PREVENTS ANY PARTIAL VACUUM FROM ARISING BEHIND THE FRONT LABEL.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-12 | 1970-06-13 | 1970-12-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-12 | 1974-06-13 | 1974-12-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-12 | 1978-06-13 | 1978-12-13 | $7700.00 | Window Closed / Lapsed |