Patent US3131485A successfully refreshed from Google Patents.
US3131485A
Expired / Lapsed
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Masking means for "program teaching" binders
Assignee: Avery Dennison Office Products Co
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Filing: 1961-07-07
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Granted: 1964-05-05
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Expires: 1981-07-07
Abstract
No abstract record available.
Inventors
- 👤 Schade Frank Stanley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 08:23
CPC Classifications
G; G09; G09B; G09B3/00; G09B3/02; G09B3/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
127 words
A BINDER CONSTRUCTION FOR "PROGRAM TEACHING" WHICH COMPRISES A PAIR OF HINGED COVER PANELS, A HINGE MEMBER SECURED ALONG ONE EDGE PORTION TO A FREE EDGE PORTION OF ONE OF SAID COVER PANELS, A FLEXIBLE MASKING FLAP CONNECTED TO THE FREE EDGE PORTION OF SAID HINGE MEMBER FOR SLIDING MOVEMENT LONGITUDINALLY THEREOF TO EXTEND OVER THE INNER FACE OF SAID ONE PANEL AND MEANS FOR RELEASABLY RETAINING A BOUND PACK OF PROGRAMMED SHEETS ON SAID ONE PANEL WITH A FREE EDGE OF THE SHEETS ADJACENT SAID HINGE MEMBER TO POSITION THE PACK OF SHEETS IN UNDERLYING RELATION TO SAID MASKING FLAP, SAID RETAINING MEANS COMPRISING A POCKET CARRIED BY SAID ONE PANEL, OPENING TO THE HINGED EDGE THEREOF FOR RECEIVING THE COVER MEMBER OF THE PACK BINDING.
Claim 2
Dependent Claim
127 words
A BINDER CONSTRUCTION FOR "PROGRAM TEACHING" WHICH COMPRISES A PAIR OF HINGED COVER PANELS, A HINGE MEMBER SECURED ALONG ONE EDGE PORTION TO A FREE EDGE PORTION OF ONE OF SAID COVER PANELS, A FLEXIBLE MASKING FLAP CONNECTED TO THE FREE EDGE PORTION OF SAID HINGE MEMBER FOR SLIDING MOVEMENT LONGITUDINALLY THEREOF TO EXTEND OVER THE INNER FACE OF SAID ONE PANEL AND MEANS FOR RELEASABLY RETAINING A BOUND PACK OF PROGRAMMED SHEETS ON SAID ONE PANEL WITH A FREE EDGE OF THE SHEETS ADJACENT SAID HINGE MEMBER TO POSITION THE PACK OF SHEETS IN UNDERLYING RELATION TO SAID MASKING FLAP, SAID RETAINING MEANS COMPRISING A POCKET CARRIED BY SAID ONE PANEL, OPENING TO THE HINGED EDGE THEREOF FOR RECEIVING THE COVER MEMBER OF THE PACK BINDING.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-05-05 | 1967-11-04 | 1968-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-05-05 | 1971-11-04 | 1972-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-05-05 | 1975-11-04 | 1976-05-05 | $7700.00 | Window Closed / Lapsed |