US2882412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for treating plastic material
Assignee: Olin Corp
•
Filing: 1953-06-03
•
Granted: 1959-04-14
•
Expires: 1973-06-03
Abstract
No abstract record available.
Inventors
- 👤 John C Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 15:13
CPC Classifications
B; B41; B41M; B41M1/00; B41M1/26; B41M1/30; B41M1/305; Y; Y10; Y10S; Y10S242/00; Y10S242/906
Claims Analysis
Total Claims: 0
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |