US3192579A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of and a device for manufacturing composite molds
Assignee: British Industries Corp
•
Filing: 1963-01-22
•
Granted: 1965-07-06
•
Expires: 1983-01-22
Abstract
No abstract record available.
Inventors
- 👤 Irwin J Lubalin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 13:56
CPC Classifications
B; B22; B22C; B22C11/00; Y; Y10; Y10S; Y10S425/00; Y10S425/116; Y10S425/20; Y10S425/201
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
AN ASSEMBLY FOR PRODUCING A MOLD FOR PRECISION CASTING, SAID ASSEMBLY COMPRISING A FLASK, A PATTERN PLATE HAVING ON ONE SIDE A PREFORM MOLD PATTERN AND ON THE OTHER SIDE A FINAL FORM MOLF PATTERN, MEANS FOR MOVING THE PATTERN PLATE ALONG A PREDETERMINED PATH AND IN THE DIRECTION OF SAID PATH, A MEANS FOR PLACING THE FLASK OVER THE PREFORM PATTERN OF THE PATTERN PLATE, MEANS ALONG THE PATH FOR FILLING THE FLASK OF THE PATTERN PLATE WITH A HARDENING SLURRY TO FORM A PREFORM MOLD, MEANS FOR STRIPPING
Claim 2
Dependent Claim
90 words
AN ASSEMBLY FOR PRODUCING A MOLD FOR PRECISION CASTING, SAID ASSEMBLY COMPRISING A FLASK, A PATTERN PLATE HAVING ON ONE SIDE A PREFORM MOLD PATTERN AND ON THE OTHER SIDE A FINAL FORM MOLF PATTERN, MEANS FOR MOVING THE PATTERN PLATE ALONG A PREDETERMINED PATH AND IN THE DIRECTION OF SAID PATH, A MEANS FOR PLACING THE FLASK OVER THE PREFORM PATTERN OF THE PATTERN PLATE, MEANS ALONG THE PATH FOR FILLING THE FLASK OF THE PATTERN PLATE WITH A HARDENING SLURRY TO FORM A PREFORM MOLD, MEANS FOR STRIPPING
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-07-05 | 1969-01-04 | 1969-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-07-05 | 1973-01-04 | 1973-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-07-05 | 1977-01-04 | 1977-07-06 | $7700.00 | Window Closed / Lapsed |