US3026570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of shaped parts of polyethylene
Assignee: Ruhrchemie AG
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Filing: 1957-06-10
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Granted: 1962-03-27
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Expires: 1977-06-10
Abstract
No abstract record available.
Inventors
- 👤 Beck Kurt
- 👤 Roelen Otto
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 07:36
CPC Classifications
D; D03; D03D; D03D49/00; D03D49/24; D03D49/26; D03D49/38; B; B29; B29C; B29C43/00; B29C43/006; B29C43/02; B29C43/14; D03D49/36; B29C2791/00; B29C2791/001; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2023/0658; B29K2023/0683; B29K2105/00; B29K2105/25; B29K2105/251; C; C08; C08L; C08L23/00; C08L23/02; C08L23/04; C08L23/06
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) | 1965-03-26 | 1965-09-25 | 1966-03-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-03-26 | 1969-09-25 | 1970-03-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-03-26 | 1973-09-25 | 1974-03-27 | $7700.00 | Window Closed / Lapsed |