Patent US3412052A successfully refreshed from Google Patents.
US3412052A
Expired / Lapsed
US
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Novel flame retardant plastic compositions
Assignee: FMC Corp
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Filing: 1966-10-05
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Granted: 1968-11-19
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Expires: 1986-10-05
Abstract
No abstract record available.
Inventors
- 👤 Bert S Taylor
- 👤 Martin R Lutz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 16:00
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C07F9/06; C07F9/08; C07F9/141; C07F9/1411; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; C08K5/5337; C08L; C08L23/00; C08L23/02; C08L25/00; C08L25/02; C08L25/04; C08L25/06
Claims Analysis
Total Claims: 0
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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) | 1971-11-19 | 1972-05-20 | 1972-11-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-11-19 | 1976-05-20 | 1976-11-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-11-19 | 1980-05-20 | 1980-11-19 | $7700.00 | Window Closed / Lapsed |