Patent US3833535A successfully refreshed from Google Patents.
US3833535A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Non-dripping flame retardant glass reinforced polyester resins
Assignee: General Electric Co
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Filing: 1971-08-30
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Granted: 1974-09-03
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Expires: 1991-08-30
Abstract
Abstract NON-DRIPPING FLAME RETARDANT THERMOPLASTIC MOLDING COMPOSITIONS ARE PROVIDED COMPRISING A NORMALLY FLAMMABLE LINEAR POLYESTER, FILAMENTOUS GLASS, A FLAME RETARDANT AGENT AND FUMES COLLOIDAL SILICA. THE USE OF THE FUMED COLLOIDAL SILICA CONTROLS DRIPPING AND PERMITS THE FLAME RETARDANT AGENT TO BE USED IN AMOUNTS SUFFICIENT TO RENDER THE COMPOSITIONS NON-BURNING OR SELF-EXTINGUISHING WITHOUT DETRACTING FROM THEIR PHYSICAL PROPERTIES.
Inventors
- 👤 A Wambach
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:40
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/34; C08K3/36; C08K5/00; C08K5/0008; C08K5/0066
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) | 1977-09-02 | 1978-03-04 | 1978-09-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-09-02 | 1982-03-04 | 1982-09-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-09-02 | 1986-03-04 | 1986-09-03 | $7700.00 | Window Closed / Lapsed |