US2422952A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shaping, punching, and trimming die mechanism
Assignee: Individual
•
Filing: 1944-09-20
•
Granted: 1947-06-24
•
Expires: 1964-09-20
Abstract
No abstract record available.
Inventors
- 👤 Guy L Dakin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 04:20
CPC Classifications
B; B21; B21D; B21D22/00; B21D22/02; B21D35/00; B21D35/001; B21D37/00; B21D37/08; Y; Y10; Y10T; Y10T29/00; Y10T29/51; Y10T29/5116; Y10T29/5146
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) | 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 |