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US3200527A Expired / Lapsed US ⏱️ 0.0 years remaining

Hinged snap-lock container

Assignee: MINGWAH A QUON
•
Filing: 1961-07-17
•
Granted: 1965-08-17
•
Expires: 1981-07-17
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Abstract

No abstract record available.

Inventors

  • 👤 Thomas C Clark

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-27 11:26
CPC Classifications
G; G03; G03B; G03B21/00; G03B21/54; G03B21/64

Claims Analysis

Total Claims: 2
Claim 1
Independent Claim 240 words
A CONTAINER, SAID CONTAINER COMPRISING A BOTTOM MEMBER, AND A TOP MEMBER COVERING AT LEAST A PORTION OF THE BOTTOM MEMBER WHEN SAID TOP MEMBER IS SUPERIMPOSED UPON THE BOTTOM MEMBER, EACH OF SAID MEMBERS, UPON SUCH SUPERIMPOSITION, HAVING A WALL FACING OUTWARDLY AND OPPOSITELY FROM THE OUTER WALL OF THE OTHER MEMBER, AND AN INNER WALL IN PARTIAL FACIAL ABUTMENT WITH THE INNER WALL OF THE OTHER MEMBER, THE INNER WALL OF ONE OF SAID MEMBERS HAVING A RECTANGULAR RIDGE, THE INNER WALL OF THE OTHER ONE OF SAID MEMBER HAVING A MATING RECTANGULAR RECESS THEREBY TO DEFINE A CAVITY BETWEEN THEM; THE ABUTTING FACES OF SAID INNER WALLS BEING CONSTRUCTED WITH COMPLEMENTARY INTERLOCKING ELEMENTS, SAID INTERLOCKING ELEMENTS COMPRISING A PAIR OF PARALLEL OVERHUNG RIDGES PROJECTING PERPENDICULARLY FROM THE PLANE OF THE FACE OF SAID OTHER MEMBER AND SPACED FROM EACH OTHER BY A DISTANCE GREATER THAN THE WIDTH OF SAID CAVITY AND THEREBY TO BE DISPOSED ONE OUTWARD OF EACH SIDE OF SAID CAVITY, EACH OF SAID RIDGES EXTENDING FOR A DISTANCE SUBSTANTIALLY EQUAL TO THE LINEAL DIMENSION OF SAID MEMBER, AND A PAIR OF MATINGLY DISPOSED UNDERCUT RECESSES IN THE FACE OF SAID ONE MEMBER, RESPECTIVELY CONTIGUOUS WITH OVERHUNG PORTIONS OF TWO OPPOSITE RIDGE PORTIONS PERTAINING TO SAID RECTANGULAR RIDGE, SAID MEMBERS BEING MOLDED OF A RESILIENT PLASTIC, SUCH AS POLYPROPYLENE, WHEREBY SAID MEMBERS MAY BE SEPARATED FROM EACH OTHER BY THE DISENGAGEMENT OF SAID INTERLOCKING ELEMENTS.
Claim 2
Dependent Claim 240 words
A CONTAINER, SAID CONTAINER COMPRISING A BOTTOM MEMBER, AND A TOP MEMBER COVERING AT LEAST A PORTION OF THE BOTTOM MEMBER WHEN SAID TOP MEMBER IS SUPERIMPOSED UPON THE BOTTOM MEMBER, EACH OF SAID MEMBERS, UPON SUCH SUPERIMPOSITION, HAVING A WALL FACING OUTWARDLY AND OPPOSITELY FROM THE OUTER WALL OF THE OTHER MEMBER, AND AN INNER WALL IN PARTIAL FACIAL ABUTMENT WITH THE INNER WALL OF THE OTHER MEMBER, THE INNER WALL OF ONE OF SAID MEMBERS HAVING A RECTANGULAR RIDGE, THE INNER WALL OF THE OTHER ONE OF SAID MEMBER HAVING A MATING RECTANGULAR RECESS THEREBY TO DEFINE A CAVITY BETWEEN THEM; THE ABUTTING FACES OF SAID INNER WALLS BEING CONSTRUCTED WITH COMPLEMENTARY INTERLOCKING ELEMENTS, SAID INTERLOCKING ELEMENTS COMPRISING A PAIR OF PARALLEL OVERHUNG RIDGES PROJECTING PERPENDICULARLY FROM THE PLANE OF THE FACE OF SAID OTHER MEMBER AND SPACED FROM EACH OTHER BY A DISTANCE GREATER THAN THE WIDTH OF SAID CAVITY AND THEREBY TO BE DISPOSED ONE OUTWARD OF EACH SIDE OF SAID CAVITY, EACH OF SAID RIDGES EXTENDING FOR A DISTANCE SUBSTANTIALLY EQUAL TO THE LINEAL DIMENSION OF SAID MEMBER, AND A PAIR OF MATINGLY DISPOSED UNDERCUT RECESSES IN THE FACE OF SAID ONE MEMBER, RESPECTIVELY CONTIGUOUS WITH OVERHUNG PORTIONS OF TWO OPPOSITE RIDGE PORTIONS PERTAINING TO SAID RECTANGULAR RIDGE, SAID MEMBERS BEING MOLDED OF A RESILIENT PLASTIC, SUCH AS POLYPROPYLENE, WHEREBY SAID MEMBERS MAY BE SEPARATED FROM EACH OTHER BY THE DISENGAGEMENT OF SAID INTERLOCKING ELEMENTS.

References Cited (Backward Citations)

US2227973A Cited
US2527765A Cited
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US2825989A Cited
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FR1163657A Cited
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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) 1968-08-16 1969-02-15 1969-08-17 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1972-08-16 1973-02-15 1973-08-17 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1976-08-16 1977-02-15 1977-08-17 $7700.00 Window Closed / Lapsed

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