US3389192A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Blends of flame retardant unsaturated polyester resins and acrylic syrup
Assignee: RP TECHNOLOGY Inc A CORP OF DEL
•
Filing: 1963-05-24
•
Granted: 1968-06-18
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Expires: 1983-05-24
Abstract
No abstract record available.
Inventors
- 👤 Mandell S Ziegler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 09:10
CPC Classifications
C; C08; C08F; C08F265/00; C08F265/04; C08F265/06; C08L; C08L67/00; C08L67/06
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2880193A
Cited
US2822340A
Cited
US2898256A
Cited
US3092606A
Cited
GB913861A
Cited
US3051679A
Cited
US3261886A
Cited
US3277665A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-18 | 1971-12-18 | 1972-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-18 | 1975-12-18 | 1976-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-18 | 1979-12-18 | 1980-06-18 | $7700.00 | Window Closed / Lapsed |