US2332324A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for folding valves in the corners of bags and closing the ends of the bags by sewed seams
Assignee: ST Regis Paper Co
•
Filing: 1940-03-06
•
Granted: 1943-10-19
•
Expires: 1960-03-06
Abstract
No abstract record available.
Inventors
- 👤 Harry E Lee
- 👤 Frank M Holter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 06:12
CPC Classifications
D; D05; D05B; D05B13/00
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1946-10-18 | 1947-04-19 | 1947-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-10-18 | 1951-04-19 | 1951-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-10-18 | 1955-04-19 | 1955-10-19 | $7700.00 | Window Closed / Lapsed |