Patent US2778739A successfully refreshed from Google Patents.
US2778739A
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Package for beverage infusion material
Assignee: Sealpak Corp
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Filing: 1954-07-16
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Granted: 1957-01-22
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Expires: 1974-07-16
Abstract
No abstract record available.
Inventors
- 👤 Joseph J Rodth
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:26
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
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US2125620A
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US2373285A
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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 |