Patent US3371058A successfully refreshed from Google Patents.
US3371058A
Expired / Lapsed
US
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Flame retardant
Assignee: Stauffer Chemical Co
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Filing: 1965-05-27
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Granted: 1968-02-27
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Expires: 1985-05-27
Abstract
No abstract record available.
Inventors
- 👤 Carl F Perizzolo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:15
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/18; C09D15/00; B; B27; B27K; B27K2240/00; B27K2240/30; Y; Y10; Y10T; Y10T428/00; Y10T428/4935; Y10T428/662
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) | 1971-02-26 | 1971-08-28 | 1972-02-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-26 | 1975-08-28 | 1976-02-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-26 | 1979-08-28 | 1980-02-27 | $7700.00 | Window Closed / Lapsed |