USRE22114E
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cutoff mechanism
Assignee: —
•
Filing: —
•
Granted: 1942-06-16
•
Expires: 1959-06-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:37
CPC Classifications
B; B23; B23D; B23D21/00; Y; Y10; Y10T; Y10T83/00; Y10T83/04; Y10T83/0524; Y10T83/0596; Y10T83/202; Y10T83/2092; Y10T83/22; Y10T83/2203; Y10T83/2209; Y10T83/2216; Y10T83/465; Y10T83/4653; Y10T83/4656; Y10T83/4667; Y10T83/467; Y10T83/4673; Y10T83/4757; Y10T83/4763
Claims Analysis
Total Claims: 0
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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) | 1945-06-15 | 1945-12-15 | 1946-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1949-06-15 | 1949-12-15 | 1950-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1953-06-15 | 1953-12-15 | 1954-06-16 | $7700.00 | Window Closed / Lapsed |