Patent US3215326A successfully refreshed from Google Patents.
US3215326A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded pulp carton latch
Assignee: Keyes Fibre Corp
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Filing: 1963-11-20
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Granted: 1965-11-02
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Expires: 1983-11-20
Abstract
No abstract record available.
Inventors
- 👤 Urban H Despres
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:54
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/30; B65D85/32; B65D85/324
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
174 words
A MOLDED PULP CONTAINER COMPRISING A PAIR OF MEMBERS, AT LEAST ONE OF WHICH HAS A WALL FORMED THEREON, FORMING A BOTTOM AND A CLOSABLE TOP, LOCKING FLAP MEANS ATTACHED TO THE OTHER MEMBER AND DESIGNED TO BE RECEIVED GENERALLY AGAINST AND INSIDE THE OPPOSED WALL OF THE ONE MEMBER WHEN THE PAIR OF MEMBERS ARE IN A CLOSED POSITION, MEANS URGING THE FLAP MEANS AGAINST THE INSIDE OF THE OPPOSED WALL WHEN THE PAIR OF MEMBERS ARE IN A CLOSED POSITION, LATCH MEANS COMPRISING TWO PORTIONS, ONE ON THE LOCKING FLAP MEANS AND THE OTHER ON THE OPPOSED WALL OF THE ONE MEMBER, EACH PORTION INCLUDING A BRIDGE AND A BRIDGE-RECEIVING CAVITY VERTICALLY ADJACENT EACH OTHER, THE BRIDGE ON THE OPPOSED WALL PROTRUDING INWARDLY OF THE CONTAINER AND THE BRIDGE ON THE LOCKING FLAP MEANS BEING FORMED SO AS NOT TO PROTRUDE OUTWARDLY SO THAT THE BRIDGE OF EACH PORTION IS RECEIVED WITHIN THE CAVITY OF THE OTHER PORTION WHEREBY THE BRIDGES ENGAGE TO LATCH THE PAIR OF MEMBERS IN THE CLOSED POSITION.
Claim 2
Dependent Claim
174 words
A MOLDED PULP CONTAINER COMPRISING A PAIR OF MEMBERS, AT LEAST ONE OF WHICH HAS A WALL FORMED THEREON, FORMING A BOTTOM AND A CLOSABLE TOP, LOCKING FLAP MEANS ATTACHED TO THE OTHER MEMBER AND DESIGNED TO BE RECEIVED GENERALLY AGAINST AND INSIDE THE OPPOSED WALL OF THE ONE MEMBER WHEN THE PAIR OF MEMBERS ARE IN A CLOSED POSITION, MEANS URGING THE FLAP MEANS AGAINST THE INSIDE OF THE OPPOSED WALL WHEN THE PAIR OF MEMBERS ARE IN A CLOSED POSITION, LATCH MEANS COMPRISING TWO PORTIONS, ONE ON THE LOCKING FLAP MEANS AND THE OTHER ON THE OPPOSED WALL OF THE ONE MEMBER, EACH PORTION INCLUDING A BRIDGE AND A BRIDGE-RECEIVING CAVITY VERTICALLY ADJACENT EACH OTHER, THE BRIDGE ON THE OPPOSED WALL PROTRUDING INWARDLY OF THE CONTAINER AND THE BRIDGE ON THE LOCKING FLAP MEANS BEING FORMED SO AS NOT TO PROTRUDE OUTWARDLY SO THAT THE BRIDGE OF EACH PORTION IS RECEIVED WITHIN THE CAVITY OF THE OTHER PORTION WHEREBY THE BRIDGES ENGAGE TO LATCH THE PAIR OF MEMBERS IN THE CLOSED 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) | 1968-11-01 | 1969-05-03 | 1969-11-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-01 | 1973-05-03 | 1973-11-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-01 | 1977-05-03 | 1977-11-02 | $7700.00 | Window Closed / Lapsed |