Patent EP0418035A1 successfully refreshed from Google Patents.
US2864492A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Body of polymerizable material containing catalyst and carrier
Assignee: Bjorksten Research Laboratories Inc
•
Filing: 1953-12-23
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Granted: 1958-12-16
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Expires: 1973-12-23
Abstract
No abstract record available.
Inventors
- 👤 Risto P Lappala
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:36
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/67; Y; Y10; Y10S; Y10S52/00; Y10S52/07
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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US2565887A
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US2542048A
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Cited
US2489490A
Cited
US2654684A
Cited
US2669965A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-15 | 1962-06-16 | 1962-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-15 | 1966-06-16 | 1966-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-15 | 1970-06-16 | 1970-12-16 | $7700.00 | Window Closed / Lapsed |