US1954003A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Copper alloy for chill and die casting
Assignee: Individual
•
Filing: 1930-05-29
•
Granted: 1934-04-10
•
Expires: 1950-05-29
Abstract
No abstract record available.
Inventors
- 👤 Vaders Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:09
CPC Classifications
C; C22; C22C; C22C9/00; C22C9/04; F; F16; F16C; F16C33/00; F16C33/02; F16C33/04; F16C33/06; F16C33/12; F16C33/121; F16C2204/00; F16C2204/10
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) | 1937-04-09 | 1937-10-09 | 1938-04-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1941-04-09 | 1941-10-09 | 1942-04-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1945-04-09 | 1945-10-09 | 1946-04-10 | $7700.00 | Window Closed / Lapsed |