US2875485A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Precision casting mold and method of making the same
Assignee: Sulzer AG
•
Filing: 1954-12-14
•
Granted: 1959-03-03
•
Expires: 1974-12-14
Abstract
No abstract record available.
Inventors
- 👤 Schneider Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:24
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/02; B22C9/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2736077A
Cited
US2027932A
Cited
GB585665A
Cited
US2388299A
Cited
US2441695A
Cited
US2521614A
Cited
US2682692A
Cited
GB703607A
Cited
US2720687A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-03-02 | 1962-09-01 | 1963-03-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-03-02 | 1966-09-01 | 1967-03-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-03-02 | 1970-09-01 | 1971-03-03 | $7700.00 | Window Closed / Lapsed |