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Patent US3027265A successfully refreshed from Google Patents.
US3027265A
Expired / Lapsed
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Molding sand
Assignee: NL Industries Inc
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Filing: 1960-04-11
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Granted: 1962-03-27
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Expires: 1980-04-11
Abstract
No abstract record available.
Inventors
- 👤 Kurt A Miericke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 16:08
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/16; B22C1/167
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
54 words
A MOLDING SAND COMPOSITION, COMPRISING SAND, AND A BINDER CONSISTING ESSENTIALLY OF ORGANOPHILIC ATTAPULGITE, AND AN ORGANIC LIQUID LUBRICANT EXHIBITING THE PROPERTY OF GELLING WHEN BROUGHT INTO ADMIXTURE WITH SAID ORGANOPHILIC ATTAPULGITE IN A WEIGHT RATIO OF BETWEEN ABOUT ONE AND ABOUT FIVE PARTS OF SAID ORGANOPHILIC ATTAPULGITE PER PART OF SAID LIQUID LUBRICANT.
Claim 2
Dependent Claim
54 words
A MOLDING SAND COMPOSITION, COMPRISING SAND, AND A BINDER CONSISTING ESSENTIALLY OF ORGANOPHILIC ATTAPULGITE, AND AN ORGANIC LIQUID LUBRICANT EXHIBITING THE PROPERTY OF GELLING WHEN BROUGHT INTO ADMIXTURE WITH SAID ORGANOPHILIC ATTAPULGITE IN A WEIGHT RATIO OF BETWEEN ABOUT ONE AND ABOUT FIVE PARTS OF SAID ORGANOPHILIC ATTAPULGITE PER PART OF SAID LIQUID LUBRICANT.
References Cited (Backward Citations)
US2885360A
Cited
US2813035A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |