US2210771A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of shaped articles from polymeric materials
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1939-02-07
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Granted: 1940-08-06
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Expires: 1959-02-07
Abstract
No abstract record available.
Inventors
- 👤 Myles James Robertson
- 👤 Bache Leslie Longmore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 22:57
CPC Classifications
B; B29; B29C; B29C39/00; B29C39/22; B29C39/42; D; D01; D01F; D01F6/00; D01F6/02; D01F6/04; B29K; B29K2023/00; B29K2023/04; B29K2023/06; B29K2105/00; B29K2105/0058; B29K2105/0073
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1943-08-06 | 1944-02-05 | 1944-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-08-06 | 1948-02-05 | 1948-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-08-06 | 1952-02-05 | 1952-08-06 | $7700.00 | Window Closed / Lapsed |