US2498197A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Infusion package and method of making same
Assignee: Standard Brands Inc
•
Filing: 1948-01-09
•
Granted: 1950-02-21
•
Expires: 1968-01-09
Abstract
No abstract record available.
Inventors
- 👤 Baxter Thomas Russell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:34
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/70; B65D85/804; B65D85/808
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
47 words
A TEA BAG, WHICH COMPRISES A SEALED WEB OF FILTER MATERIAL ADAPTED TO HOLD A QUANTITY OF TEA, SAID WEB BEING HIGHLY PERMEABLE AND FORMED OF CLOSELY INTERLACED CELLULOSIC FIBERS AND SAID FIBERS BEING BONDED BY LINES OF A NON-TOXIC, SUBSTANTIALLY ODORLESS AND TASTELESS, HOT WATER-REPELLENT LACQUER.
Claim 2
Dependent Claim
47 words
A TEA BAG, WHICH COMPRISES A SEALED WEB OF FILTER MATERIAL ADAPTED TO HOLD A QUANTITY OF TEA, SAID WEB BEING HIGHLY PERMEABLE AND FORMED OF CLOSELY INTERLACED CELLULOSIC FIBERS AND SAID FIBERS BEING BONDED BY LINES OF A NON-TOXIC, SUBSTANTIALLY ODORLESS AND TASTELESS, HOT WATER-REPELLENT LACQUER.
References Cited (Backward Citations)
US2313696A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-02-20 | 1953-08-22 | 1954-02-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-02-20 | 1957-08-22 | 1958-02-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-02-20 | 1961-08-22 | 1962-02-21 | $7700.00 | Window Closed / Lapsed |