US3020607A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Means for controlling the speed of a charging plunger in a die casting machine
Assignee: Individual
•
Filing: 1959-06-25
•
Granted: 1962-02-13
•
Expires: 1979-06-25
Abstract
No abstract record available.
Inventors
- 👤 Nyselius Gustav
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-10 01:28
CPC Classifications
B; B29; B29C; B29C45/00; B29C45/17; B29C45/46; B29C45/53; B29C45/531; B22; B22D; B22D17/00; B22D17/20; B22D17/32; B30; B30B; B30B15/00; B30B15/16; B30B15/18; B30B15/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1905133A
Cited
US2774122A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-12 | 1965-08-14 | 1966-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-12 | 1969-08-14 | 1970-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-12 | 1973-08-14 | 1974-02-13 | $7700.00 | Window Closed / Lapsed |