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US2778739A Expired / Lapsed US ⏱️ 0.0 years remaining

Package for beverage infusion material

Assignee: Sealpak Corp
•
Filing: 1954-07-16
•
Granted: 1957-01-22
•
Expires: 1974-07-16
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Abstract

No abstract record available.

Inventors

  • 👤 Joseph J Rodth

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 11:05
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/70; B65D85/804; B65D85/8043; A; A47; A47J; A47J31/00; A47J31/06; A47J31/0657; A47J31/0668; A47J31/0673; A47J31/24; A47J31/34; A47J31/36; A47J31/3666; A47J31/3676; A47J31/369; A47J31/3695

Claims Analysis

Total Claims: 1
Claim 1
Independent Claim 66 words
A HERMETICALLY SEALED PACKAGE OF LIQUID SOLUBLE FOOD MATERIAL TO BE EXTRACTED BY INFUSION COMPRISING A GENERALLY CUP-SHAPED BODY HAVING AN ANNULAR FLANGE AT THE UPPER EDGE OF THE SIDE WALL THEREOF, A CLOSURE FOR SAID BODY EXTENDING ACROSS THE OPENING OF SAID CUP AND ENGAGING THE SAID FLANGE AND WELDED THERETO, A METAL DISK WITHIN SAID CUP ENGAGING THE BOTTOM WALL OF SAID CUP AND

References Cited (Backward Citations)

US1377316A Cited
US2125620A Cited
US2373285A Cited
FR902986A Cited
US2451195A Cited
US2615385A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1960-01-22 1960-07-23 1961-01-22 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1964-01-22 1964-07-23 1965-01-22 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1968-01-22 1968-07-23 1969-01-22 $7700.00 Window Closed / Lapsed

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