US2433653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of composite metal moulds for electrotyping
Assignee: Quality Engraving & Electrotyp
•
Filing: 1943-09-04
•
Granted: 1947-12-30
•
Expires: 1963-09-04
Abstract
No abstract record available.
Inventors
- 👤 Erwin G Deye
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 11:22
CPC Classifications
B; B41; B41C; B41C3/00; B41C3/08
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US697256A
Cited
US1171819A
Cited
US1505082A
Cited
US1584368A
Cited
US2073040A
Cited
US2000756A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-12-29 | 1951-06-30 | 1951-12-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-12-29 | 1955-06-30 | 1955-12-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-12-29 | 1959-06-30 | 1959-12-30 | $7700.00 | Window Closed / Lapsed |