Patent US3131065A successfully refreshed from Google Patents.
US3131065A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tea bag with strip of metallic foil heat sealed to one edge thereof
Assignee: Individual
•
Filing: 1961-02-13
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Granted: 1964-04-28
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Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 Salomon Jacob
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 11:53
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/70; B65D85/804; B65D85/808; B65D85/812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A TEA BAG COMPRISING A SUBSTANTIALLY FLAT CLOSED WATER PERMEABLE CONTAINER, TEA LEAVES CONTAINED IN SAID CONTAINER AND A TAB COMPRISING A PLANAR STRIP OF METALLIC FOIL HAVING AN END FACE AND SUPERIMPOSED ON SAID CONTAINER AND HAVING SAID END FACE HEAT SEALED TO A SUBSTANTIALLY COPLANAR EDGE OF SAID WATER PERMEABLE CONTAINER, SAID STRIP HAVING A THICKNESS NOT GREATER THAN 40 MICRONS AND A LENGTH SUBSTANTIALLY THE SAME AS THE LENGTH OF SAID WATER PERMEABLE CONTAINER.
Claim 2
Dependent Claim
77 words
A TEA BAG COMPRISING A SUBSTANTIALLY FLAT CLOSED WATER PERMEABLE CONTAINER, TEA LEAVES CONTAINED IN SAID CONTAINER AND A TAB COMPRISING A PLANAR STRIP OF METALLIC FOIL HAVING AN END FACE AND SUPERIMPOSED ON SAID CONTAINER AND HAVING SAID END FACE HEAT SEALED TO A SUBSTANTIALLY COPLANAR EDGE OF SAID WATER PERMEABLE CONTAINER, SAID STRIP HAVING A THICKNESS NOT GREATER THAN 40 MICRONS AND A LENGTH SUBSTANTIALLY THE SAME AS THE LENGTH OF SAID WATER PERMEABLE CONTAINER.
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) | 1967-04-28 | 1967-10-28 | 1968-04-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-04-28 | 1971-10-28 | 1972-04-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-04-28 | 1975-10-28 | 1976-04-28 | $7700.00 | Window Closed / Lapsed |