US2422774A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Die set
Assignee: Individual
•
Filing: 1944-01-22
•
Granted: 1947-06-24
•
Expires: 1964-01-22
Abstract
No abstract record available.
Inventors
- 👤 Guy O Conner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:40
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/10; F; F16; F16C; F16C29/00; F16C29/04; F16C33/00; F16C33/30; F16C33/38; F16C33/40; F16C2322/00; F16C2322/14
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
References Cited (Backward Citations)
US206648A
Cited
US1106564A
Cited
US1228312A
Cited
US1568017A
Cited
US1603428A
Cited
US2032975A
Cited
US2026721A
Cited
US2225929A
Cited
US2316468A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-06-23 | 1950-12-23 | 1951-06-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-06-23 | 1954-12-23 | 1955-06-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-06-23 | 1958-12-23 | 1959-06-24 | $7700.00 | Window Closed / Lapsed |