Patent US3740357A successfully refreshed from Google Patents.
US3740357A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of no-gel elastomeric foams
Assignee: Standard Brands Chemical Industries Inc
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Filing: 1971-04-09
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Granted: 1973-06-19
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Expires: 1991-04-09
Abstract
Abstract A HEAT-CURABLE FOAM-FORMING LATEX COMPOSITION COMPRISING A N-METHYLOLACRYLAMIDE-CONTAINING DIENE TERPOLYMER LATEX, A CURING SYSTEM, A FOAMING AGENT, AND A FOAM STABILIZER AND A METHOD FOR FORMING THIS COMPOSITION INTO A NO-GEL FOAM.
Inventors
- 👤 L Wax
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:15
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/04; C08J9/30
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |