US2457216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means and method for producing infusion bags with nontangling handles
Assignee: Pneumatic Scale Corp
•
Filing: 1945-12-11
•
Granted: 1948-12-28
•
Expires: 1965-12-11
Abstract
No abstract record available.
Inventors
- 👤 Lewis B Eaton
- 👤 Vergobbi Robert William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 06:12
CPC Classifications
B; B65; B65B; B65B29/00; B65B29/02; B65B29/04; B31; B31B; B31B70/00; B31B70/02; B31B70/74; B31B70/81; B31B70/86; B31B70/864
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US2360510A
Cited
US2334256A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1951-12-28 | 1952-06-28 | 1952-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1955-12-28 | 1956-06-28 | 1956-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1959-12-28 | 1960-06-28 | 1960-12-28 | $7700.00 | Window Closed / Lapsed |