US2024820A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and machine for manufacturing bags or envelopes
Assignee: John Dickinson and Co Ltd
•
Filing: 1932-11-19
•
Granted: 1935-12-17
•
Expires: 1952-11-19
Abstract
No abstract record available.
Inventors
- 👤 Ellens William Edwin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 11:17
CPC Classifications
B; B31; B31B; B31B70/00; B31B70/005; B31B2160/00; B31B2160/10; B31B2160/106; B31B70/74; B31B70/81; B31B70/82
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) | 1938-12-16 | 1939-06-17 | 1939-12-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-12-16 | 1943-06-17 | 1943-12-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-12-16 | 1947-06-17 | 1947-12-17 | $7700.00 | Window Closed / Lapsed |