Patent US3077888A successfully refreshed from Google Patents.
US3077888A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Slide lock for a binding element
Assignee: General Binding Corp
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Filing: 1958-07-21
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Granted: 1963-02-19
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Expires: 1978-07-21
Abstract
No abstract record available.
Inventors
- 👤 Julius F Thieme
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:31
CPC Classifications
B; B42; B42F; B42F13/00; B42F13/16; B42F13/20; B42F13/22
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A BINDER LOCK FOR A BINDING ELEMENT INCLUDING AN ARCUATE BACKBONE, A PLURALITY OF APERTURES EXTENDING ALONG OPPOSED LONGITUDINAL EDGES OF SAID BACKBONE, A PLURALITY OF RING FINGERS EXTENDING THROUGH SAID APERTURES AND COOPERABLE TO FORM A PLURALITY OF CLOSED LOOPS, INTURNED FLANGES FORMED INTEGRALLY WITH THE RING FINGERS EXTENDING FROM EACH LONGITUDINAL EDGE OF SAID BACKBONE AND PIVOTALLY ENGAGING ONE ANOTHER ON THE UNDERSIDE OF SAID BACKBONE AND SPACED FROM SAID BACKBONE WHEN SAID FINGERS ARE IN THE CLOSED LOOP POSITION, AND AXIALLY MOVABLE SLIDING LOCK ASSOCIATED WITH SAID BINDING ELEMENT, NIBS FORMED INTEGRALLY WITH SAID SLIDING LOCK POSITIONABLE BETWEEN SAID INTURNED FLANGES AND SAID BACKBONE TO PREVENT OPENING MOVEMENT OF SAID RING FINGERS, AND MEANS ON SAID SLIDING LOCK FOR PREVENTING LOCKING MOVEMENT OF SAID SLIDING LOCK WHEN SAID RING FINGERS ARE IN THE OPEN POSITION.
Claim 2
Dependent Claim
138 words
A BINDER LOCK FOR A BINDING ELEMENT INCLUDING AN ARCUATE BACKBONE, A PLURALITY OF APERTURES EXTENDING ALONG OPPOSED LONGITUDINAL EDGES OF SAID BACKBONE, A PLURALITY OF RING FINGERS EXTENDING THROUGH SAID APERTURES AND COOPERABLE TO FORM A PLURALITY OF CLOSED LOOPS, INTURNED FLANGES FORMED INTEGRALLY WITH THE RING FINGERS EXTENDING FROM EACH LONGITUDINAL EDGE OF SAID BACKBONE AND PIVOTALLY ENGAGING ONE ANOTHER ON THE UNDERSIDE OF SAID BACKBONE AND SPACED FROM SAID BACKBONE WHEN SAID FINGERS ARE IN THE CLOSED LOOP POSITION, AND AXIALLY MOVABLE SLIDING LOCK ASSOCIATED WITH SAID BINDING ELEMENT, NIBS FORMED INTEGRALLY WITH SAID SLIDING LOCK POSITIONABLE BETWEEN SAID INTURNED FLANGES AND SAID BACKBONE TO PREVENT OPENING MOVEMENT OF SAID RING FINGERS, AND MEANS ON SAID SLIDING LOCK FOR PREVENTING LOCKING MOVEMENT OF SAID SLIDING LOCK WHEN SAID RING FINGERS ARE IN THE OPEN POSITION.
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) | 1966-02-18 | 1966-08-20 | 1967-02-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-18 | 1970-08-20 | 1971-02-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-18 | 1974-08-20 | 1975-02-19 | $7700.00 | Window Closed / Lapsed |