US3008205A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Shell type molds and cores
Assignee: Motors Liquidation Co
•
Filing: 1958-09-19
•
Granted: 1961-11-14
•
Expires: 1978-09-19
Abstract
No abstract record available.
Inventors
- 👤 Jr Herbert O Blaies
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 13:59
CPC Classifications
B; B22; B22C; B22C9/00; B22C9/12; B22C9/123; B22C1/00; B22C1/16; B22C1/162
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
A METHOD OF FORMING A FOUNDRY MOLD FOR METAL CASTING OPERATIONS, SAID METHOD COMPRISING APPLYING TO A PATTERN OF MOLDING MIX COMPRISING A MAJOR PROPORTION OF COMMINUTED REFRACTORY MATERIAL AND A MINOR PROPORTION OF AN ORGANIC BINDER WHICH IS HARDENABLE IN THE PRESENCE OF AN ACIDIC CATALYST, EXPOSING SAID MOLDING MIX WHILE ON SAID PATTERN TO A GASEOUS ACIDIC CATALYST TO HARDEN SAID ORGANIC BINDER, THEREAFTER EXPOSING SAID HARDENED ORGANIC
Claim 2
Independent Claim
70 words
A METHOD OF FORMING A FOUNDRY MOLD FOR METAL CASTING OPERATIONS, SAID METHOD COMPRISING APPLYING TO A PATTERN OF MOLDING MIX COMPRISING A MAJOR PROPORTION OF COMMINUTED REFRACTORY MATERIAL AND A MINOR PROPORTION OF AN ORGANIC BINDER WHICH IS HARDENABLE IN THE PRESENCE OF AN ACIDIC CATALYST, EXPOSING SAID MOLDING MIX WHILE ON SAID PATTERN TO A GASEOUS ACIDIC CATALYST TO HARDEN SAID ORGANIC BINDER, THEREAFTER EXPOSING SAID HARDENED ORGANIC
References Cited (Backward Citations)
CA531968A
Cited
US2433168A
Cited
US2401760A
Cited
US2423139A
Cited
US2471600A
Cited
GB654817A
Cited
US2521839A
Cited
US2876512A
Cited
US2874428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-13 | 1965-05-15 | 1965-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-13 | 1969-05-15 | 1969-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-13 | 1973-05-15 | 1973-11-14 | $7700.00 | Window Closed / Lapsed |