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US3720523A Expired / Lapsed US ⏱️ 0.0 years remaining

Dressing container assembly

Assignee: Individual
•
Filing: 1970-10-16
•
Granted: 1973-03-13
•
Expires: 1990-10-16
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Abstract

Abstract THE PRESENT DISCLOSURE RELATES TO A CONTAINER ASSEMBLY DESIGNED TO ALLOW INSTANT PREPARATION OF FRESH DRESSING AND IMMEDIATE SERVING THEREOF ON THE TABLE. ACCORDING TO THE INVENTION, A LOWER CONTAINER CONTAINING SALAD OIL AND AN UPPER CONTAINER CONTAINING A SPICE-VINEGAR MIXTURE ARE INTEGRALLY JOINED. A CUTTER ASSEMBLY IS FIXEDLY PROVIDED AT THE OPENING PORTION OR MOUTH OF THE OIL CONTAINER AND HAS A PISTON ERECTED AT THE CENTER OF THE BASE OF SAID ASSEMBLY. A SEAL IS TIGHTLY SECURED AT THE END OF THE OPENING PORTION OR MOUTH OF THE VINEGAR CONTAINER AND A CYLINDER IS PROVIDED AT THE CENTER OF SAID SEAL. THE MOUTH OF THE UPPER CONTAINER IS NOT FIXED TO THE INNER FACE OF THE CUTTER ASSEMBLY BUT IS ARRANGED TO BE FREELY ROTATABLE. THE WALL PORTION OF THE BASE OF THE SEAL THAT SURROUNDS THE CYLINDER IS MADE VERY THIN SO THAT WHEN THE UPPER CONTAINER IS PRESSED ONTO THE LOWER CONTAINER, SAID TINNED PORTION IS BROKEN TO REMOVE THE PARTITION BETWEEN SAID CONTAINERS, THUS ALLOWING THE INTERMIXTURE OF THEIR CONTENTS. THE MIXED CONTENTS ARE THEN SHAKEN FOR BETTER MIXING THEREOF, WHEREBY SALAD DRESSING FOR ONE MEAL IS READILY PREPARED.

Inventors

  • 👤 S Nakagami

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-23 18:57
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/32; B65D81/3205; B65D81/3211; B65D51/00; B65D51/24; B65D51/28; B65D51/2807; B65D51/2857; B65D51/2878

Claims Analysis

Total Claims: 0
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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) 1976-03-12 1976-09-11 1977-03-13 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1980-03-12 1980-09-11 1981-03-13 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1984-03-12 1984-09-11 1985-03-13 $7700.00 Window Closed / Lapsed

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