US2653350A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming pellets of plastic material
Assignee: Celanese Corp
•
Filing: 1950-08-11
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Granted: 1953-09-29
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Expires: 1970-08-11
Abstract
No abstract record available.
Inventors
- 👤 Rene P Piperoux
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:59
CPC Classifications
B; B29; B29B; B29B9/00; B29B9/02; B29B9/06; B29B9/065; Y; Y10; Y10S; Y10S100/00; Y10S100/903; Y10S100/904; Y10S425/00; Y10S425/23
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) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |