US2838400A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Tea bag
Assignee: Individual
•
Filing: 1954-04-19
•
Granted: 1958-06-10
•
Expires: 1974-04-19
Abstract
No abstract record available.
Inventors
- 👤 Verris C Wardell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 18:17
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/70; B65D85/804; B65D85/808; B65D85/812
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
AN INFUSION BAG OF THE CHARACTER DESCRIBED COMPRISING AN ENVELOPE-SHAPED BAG OF LIQUID PERVIOUS MATERIAL HAVING AT LEAST ONE SEALED EDGE AND CONTAINING A BREW SUBSTANCE TO BE SOAKED IN A LIQUID, A SEPARATE HANDLE FOR SAID BAG INCLUDING TWO PORTIONS EACH OF A SINGLE PLY LENGTH OF A THIN, RIBBON-LIKE STRIP OF A MATERIAL SUITABLE FOR IMMERSION IN THE LIQUID, SAID PORTIONS BEING ADHESIVELY SEALED IN FACE-TO-FACE RELATION ALONG THEIR LENGTH EXCEPT FOR A
Claim 2
Dependent Claim
75 words
AN INFUSION BAG OF THE CHARACTER DESCRIBED COMPRISING AN ENVELOPE-SHAPED BAG OF LIQUID PERVIOUS MATERIAL HAVING AT LEAST ONE SEALED EDGE AND CONTAINING A BREW SUBSTANCE TO BE SOAKED IN A LIQUID, A SEPARATE HANDLE FOR SAID BAG INCLUDING TWO PORTIONS EACH OF A SINGLE PLY LENGTH OF A THIN, RIBBON-LIKE STRIP OF A MATERIAL SUITABLE FOR IMMERSION IN THE LIQUID, SAID PORTIONS BEING ADHESIVELY SEALED IN FACE-TO-FACE RELATION ALONG THEIR LENGTH EXCEPT FOR A
References Cited (Backward Citations)
US1665080A
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US1792075A
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US2291278A
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US2291702A
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US2359292A
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US2423818A
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US2397651A
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US2406137A
Cited
US2614934A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-06-09 | 1961-12-09 | 1962-06-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-06-09 | 1965-12-09 | 1966-06-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-06-09 | 1969-12-09 | 1970-06-10 | $7700.00 | Window Closed / Lapsed |