US3078853A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Loose-leaf binders
Assignee: Natser Corp
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Filing: 1961-02-08
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Granted: 1963-02-26
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Expires: 1981-02-08
Abstract
No abstract record available.
Inventors
- 👤 Peter M Klein
- 👤 Iii Gilbert Donald Murray
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 16:50
CPC Classifications
B; B42; B42F; B42F13/00; B42F13/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A BINDER OF THE CLASS DESCRIBED CONSISTING OF A PAIR OF COVERS, A RESILIENTLY FLEXIBLE PRONG-LIKE MEMBER HAVING ONE OF ITS END PORTIONS CONNECTED TO ONE OF SAID COVERS, AN ELONGATED CHANNEL-SHAPE MEMBER ASSOCIATED WITH THE OTHER OF SAID COVERS AND BEING DISPOSED WITH ITS CHANNEL OPENING INWARDLY WITH RESPECT TO SAID COVERS, THE OTHER END PORTION OF SAID PRONG-LIKE MEMBER BEING LAID TO EXTEND GENERALLY LONGITUDINALLY ALONG SAID CHANNEL, AND A RESILIENTLY YIELDABLE LOCK ELEMENT MOUNTED FIRMLY IN SAID CHANNEL-SHAPE MEMBER AND LYING IN THE PLANE OF AND ENGAGEABLE WITH THE SAID OTHER END PORTION OF THE PRONG-LIKE MEMBER FOR URGING SAID ENGAGED END PORTION IN A LATERAL DIRECTION AND INTO CLAMPING ENGAGEMENT WITH A SIDE WALL OF THE CHANNEL-SHAPE MEMBER.
Claim 2
Dependent Claim
122 words
A BINDER OF THE CLASS DESCRIBED CONSISTING OF A PAIR OF COVERS, A RESILIENTLY FLEXIBLE PRONG-LIKE MEMBER HAVING ONE OF ITS END PORTIONS CONNECTED TO ONE OF SAID COVERS, AN ELONGATED CHANNEL-SHAPE MEMBER ASSOCIATED WITH THE OTHER OF SAID COVERS AND BEING DISPOSED WITH ITS CHANNEL OPENING INWARDLY WITH RESPECT TO SAID COVERS, THE OTHER END PORTION OF SAID PRONG-LIKE MEMBER BEING LAID TO EXTEND GENERALLY LONGITUDINALLY ALONG SAID CHANNEL, AND A RESILIENTLY YIELDABLE LOCK ELEMENT MOUNTED FIRMLY IN SAID CHANNEL-SHAPE MEMBER AND LYING IN THE PLANE OF AND ENGAGEABLE WITH THE SAID OTHER END PORTION OF THE PRONG-LIKE MEMBER FOR URGING SAID ENGAGED END PORTION IN A LATERAL DIRECTION AND INTO CLAMPING ENGAGEMENT WITH A SIDE WALL OF THE CHANNEL-SHAPE MEMBER.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-25 | 1966-08-27 | 1967-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-25 | 1970-08-27 | 1971-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-25 | 1974-08-27 | 1975-02-26 | $7700.00 | Window Closed / Lapsed |