US2317687A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of hollow articles from polymeric compositions
Assignee: EIDP Inc
•
Filing: 1940-04-04
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Granted: 1943-04-27
•
Expires: 1960-04-04
Abstract
No abstract record available.
Inventors
- 👤 Larchar Arthur Whitney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 16:23
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/56; B29C33/60; B29C48/00; B29C48/03; B29C48/09; B29C48/10; B29C48/25; B29C48/30; B29C48/32; B29C48/34; B29C48/88; B29C48/90; B29C48/901; B29C48/902; B29C48/908; B29C48/94; B29C48/001; B29C48/0011; B29C48/0019; B29C48/16; B29C48/18; B29C48/21; B29C48/335; Y; Y10; Y10S; Y10S264/00; Y10S264/37
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) | 1946-04-26 | 1946-10-26 | 1947-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1950-04-26 | 1950-10-26 | 1951-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1954-04-26 | 1954-10-26 | 1955-04-27 | $7700.00 | Window Closed / Lapsed |