US3555713A
Expired / Lapsed
US
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Assignee: University Music Editions Inc
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Filing: 1969-04-28
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Granted: 1971-01-19
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Expires: 1989-04-28
Abstract
Abstract A MICROFICHE FOLDER FOR USE IN A LOOSE-LEAF RING BINDER COMPRISING SHEETS OF FLEXIBLE, TRANSPARENT MATERIAL JOINED TOGETHER TO FORM A PAGE-LIKE STRUCTURE HAVING A PLURALITY OF POCKETS, AT LEAST ONE OF THE SAID POCKETS HAVING AN OPENING AT THE TOP EDGE FOR THE EASY REMOVAL THEREFROM OF THE MICROFICHE. ANOTHER POCKET, CONTAINING A CARD WITH A WRITTEN DESCRIPTION OF THE CONTENTS OF THE MICROFICHE POCKET AND READILY VISIBLE THROUGH THE TRANSPARENT POCKET COVER, HAS AN OPENING DIRECTED TOWARD THE RING HOLES SUCH THAT WHEN THE HOLDER IS ENGAGED IN THE BINDER THE RINGS WILL FORM A BARRIER FOR RETAINING THE CARD THEREIN.
Inventors
- 👤 Donald K Leinback
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 22:47
CPC Classifications
B; B42; B42F; B42F5/00
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) | 1974-01-18 | 1974-07-20 | 1975-01-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-18 | 1978-07-20 | 1979-01-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-18 | 1982-07-20 | 1983-01-19 | $7700.00 | Window Closed / Lapsed |