US3063113A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Disposable pattern with lower melting external coating
Assignee: Howmet Turbine Components Corp
•
Filing: 1959-12-10
•
Granted: 1962-11-13
•
Expires: 1979-12-10
Abstract
No abstract record available.
Inventors
- 👤 Operhall Theodore
- 👤 Emery E Kuhary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 05:45
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/02; B22C9/04; B22C9/046
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
28 words
A PATTERN SUITABLE FOR PRODUCING CERAMIC MOLDS FOR METAL CASTING WHICH COMPRISES A BASE PATTERN AND A COATING ON A SUBSTANTIAL PORTION OF THE SURFACE OF THE BASE
References Cited (Backward Citations)
US1895232A
Cited
US2701902A
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US2639478A
Cited
US2741817A
Cited
US2691197A
Cited
US2815552A
Cited
US2756475A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-11-12 | 1966-05-14 | 1966-11-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-11-12 | 1970-05-14 | 1970-11-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-11-12 | 1974-05-14 | 1974-11-13 | $7700.00 | Window Closed / Lapsed |