US1929632A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Paper can machine
Assignee: NAT PAPER CAN Co
•
Filing: 1930-01-29
•
Granted: 1933-10-10
•
Expires: 1950-01-29
Abstract
No abstract record available.
Inventors
- 👤 George O Frostad
- 👤 James E Annen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 07:56
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/004; B31B50/0045; B31B2105/00; B31B2105/002; B31B2105/0022; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5124; Y10T83/00; Y10T83/202; Y10T83/2033; Y10T83/2037; Y10T83/2057
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) | 1936-10-09 | 1937-04-10 | 1937-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1940-10-09 | 1941-04-10 | 1941-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1944-10-09 | 1945-04-10 | 1945-10-10 | $7700.00 | Window Closed / Lapsed |