US2715385A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for applying mold wash to molds
Assignee: International Smelting and Refining Co
•
Filing: 1951-09-25
•
Granted: 1955-08-16
•
Expires: 1971-09-25
Abstract
No abstract record available.
Inventors
- 👤 Charles E Yates
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:04
CPC Classifications
B; B22; B22C; B22C23/00; B22C23/02; B29; B29C; B29C33/00; B29C33/56; B29C33/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US1258071A
Cited
US1638758A
Cited
US2141630A
Cited
GB581777A
Cited
US2381649A
Cited
US2509448A
Cited
US2508709A
Cited
US2518038A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-08-15 | 1959-02-14 | 1959-08-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-08-15 | 1963-02-14 | 1963-08-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-08-15 | 1967-02-14 | 1967-08-16 | $7700.00 | Window Closed / Lapsed |