US3038420A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Extrusion die construction
Assignee: Individual
•
Filing: 1960-01-12
•
Granted: 1962-06-12
•
Expires: 1980-01-12
Abstract
No abstract record available.
Inventors
- 👤 Immohr Harry Johannes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 14:00
CPC Classifications
B; B30; B30B; B30B11/00; B30B11/20; B30B11/201; B30B11/202; Y; Y10; Y10S; Y10S425/00; Y10S425/23; Y10T; Y10T29/00; Y10T29/49; Y10T29/496; Y10T29/49826; Y10T29/49908; Y10T29/49915; Y10T29/49917; Y10T29/49918
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |