US3023112A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Core oils, foundry cores and moulds and methods of making the same
Assignee: Individual
•
Filing: 1956-05-25
•
Granted: 1962-02-27
•
Expires: 1976-05-25
Abstract
No abstract record available.
Inventors
- 👤 Tobler August
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 00:57
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/16; B22C1/20; B22C1/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
40 words
A COLD SETTING, NON-DEFORMING CORE OIL CONSISTING ESSENTIALLY OF AN ADMIXTURE OF A BLOWN NON-CONJUGATED DRYING OIL AND A CONJUGATE BONDED OIL, SAID ADMIXTURE HAVING AN IODINE NUMBER NOT LESS THAN 100 AND A DIENE NUMBER NOT LESS THAN 7.
Claim 2
Dependent Claim
40 words
A COLD SETTING, NON-DEFORMING CORE OIL CONSISTING ESSENTIALLY OF AN ADMIXTURE OF A BLOWN NON-CONJUGATED DRYING OIL AND A CONJUGATE BONDED OIL, SAID ADMIXTURE HAVING AN IODINE NUMBER NOT LESS THAN 100 AND A DIENE NUMBER NOT LESS THAN 7.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-02-26 | 1965-08-28 | 1966-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-26 | 1969-08-28 | 1970-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-26 | 1973-08-28 | 1974-02-27 | $7700.00 | Window Closed / Lapsed |