Patent US2047221A successfully refreshed from Google Patents.
US2047221A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for sorting strip stock
Assignee: Primerica Inc
•
Filing: 1930-06-25
•
Granted: 1936-07-14
•
Expires: 1950-06-25
Abstract
No abstract record available.
Inventors
- 👤 Pechy William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 15:32
CPC Classifications
B; B21; B21C; B21C51/00; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T83/00; Y10T83/04; Y10T83/0448; Y10T83/0467; Y10T83/202; Y10T83/2022; Y10T83/2024; Y10T83/2074; Y10T83/2083; Y10T83/2085; Y10T83/444; Y10T83/4529; Y10T83/525; Y10T83/527; Y10T83/528
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) | 1939-07-14 | 1940-01-13 | 1940-07-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1943-07-14 | 1944-01-13 | 1944-07-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1947-07-14 | 1948-01-13 | 1948-07-14 | $7700.00 | Window Closed / Lapsed |