US3480573A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binder composition for molds and cores comprising reducing sugars and sugars that hydrolyze to form reducing sugars,urea,formaldehyde,and furfuryl alcohol
Assignee: Unilever Bestfoods North America
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Filing: 1966-11-23
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Granted: 1969-11-25
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Expires: 1986-11-23
Abstract
No abstract record available.
Inventors
- 👤 Alfred R Thompson Jr
- 👤 William H Foley
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 06:40
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/16; B22C1/20; B22C1/26; B22C1/22; B22C1/2233; C; C08; C08L; C08L61/00; C08L61/34
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US3059297A
Cited
GB954084A
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US3024215A
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US3168489A
Cited
US3168490A
Cited
US3182030A
Cited
US3306864A
Cited
US3360492A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-11-24 | 1973-05-26 | 1973-11-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-11-24 | 1977-05-26 | 1977-11-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-11-24 | 1981-05-26 | 1981-11-25 | $7700.00 | Window Closed / Lapsed |