US3343430A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making metal forming dies
Assignee: ThyssenKrupp Budd Co
•
Filing: 1965-12-15
•
Granted: 1967-09-26
•
Expires: 1985-12-15
Abstract
No abstract record available.
Inventors
- 👤 Charles H Haas
- 👤 Mattia Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 01:47
CPC Classifications
B; B21; B21D; B21D37/00; B21D37/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1868788A
Cited
US1935916A
Cited
US2944338A
Cited
US3048060A
Cited
US3064314A
Cited
US3228650A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-09-25 | 1971-03-27 | 1971-09-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-09-25 | 1975-03-27 | 1975-09-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-09-25 | 1979-03-27 | 1979-09-26 | $7700.00 | Window Closed / Lapsed |