US3786087A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flame and burn resistant butadiene resin compositions
Assignee: Bridgestone Firestone Inc
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Filing: 1971-10-26
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Granted: 1974-01-15
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Expires: 1991-10-26
Abstract
Abstract TETRABROMOBENZENE STRONGLY INHIBITS FLAMMABILITY AND BURNING OF POLYBUTADIENE RESINS.
Inventors
- 👤 W Conard
- 👤 R Ellis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 10:49
CPC Classifications
H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/44; H01B3/441; C; C08; C08K; C08K5/00; C08K5/02; C08K5/03
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) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |