US2896280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition for and process of joining core
Assignee: Diamond Shamrock Corp
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Filing: 1957-04-12
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Granted: 1959-07-28
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Expires: 1977-04-12
Abstract
No abstract record available.
Inventors
- 👤 Frank P Ilenda
- 👤 Jr Joseph C Noyes
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:42
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/16; B22C1/18
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
14 words
AN ADHESIVE COMPOSITION OF MATTER COMPRISING THE FOLLOWING INGREDIENTS IN ABOUT THE PROPORTION STATED:
Claim 2
Dependent Claim
14 words
AN ADHESIVE COMPOSITION OF MATTER COMPRISING THE FOLLOWING INGREDIENTS IN ABOUT THE PROPORTION STATED:
Claim 3
Dependent Claim
101 words
IN THE PRODUCTION OF CASTINGS VIA THE USE OF THINWALLED RIGID SHELL MOLDS CHARACTERIZED BY A FINE, ACCURATELY-DIMENDSIONED, CASTING-DEFINING SURFACE, THE IMPROVEMENT WHICH COMPRISES ADHESIVELY JOINING COMPLEMENTARY SECTIONS OF SAID SHELL MOLD BY APPLYING AS AN ADHESIVE A COMPOSITION AS DEFINED DIN CLAIM 1 TO AT LEAST ONE OF SAID SECTIONS AND THEREAFTER PLACING SAID SECTION IN CINTACT WITH EACH OTHER THEREBY TO FORM A QUICK-SETTING, ADHERENT BLOND AND RESULTANT UNITARY SHELL MOLD STRUCTURE. SILICATE HAVING AN SIO2:NA20 RATIO OF 3.22:1.0, THEREAFTER DISPERSING ABOUT 4% OF-300 MESH MANGANESE DIOXIDE THEREIN AND SUBSEQUENTLY DISPERSING IN THE THUSFORMED MIXTURE ABOUT 18% WESTERN BENTONITE.
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) | 1962-07-27 | 1963-01-26 | 1963-07-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-07-27 | 1967-01-26 | 1967-07-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-07-27 | 1971-01-26 | 1971-07-28 | $7700.00 | Window Closed / Lapsed |