US2388297A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composite article, including extruded sections
Assignee: EXTRUDED PLASTICS Inc
•
Filing: 1941-07-10
•
Granted: 1945-11-06
•
Expires: 1961-07-10
Abstract
No abstract record available.
Inventors
- 👤 Charles E Slaughter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 21:09
CPC Classifications
B; B29; B29C; B29C65/00; B29C65/56; B29C65/58; B29C65/48; B29C65/4805; B29C65/481; B29C65/4815; B29C65/50; B29C65/5064; B29C65/5071; B29C65/5085; B29C66/00; B29C66/01; B29C66/05; B29C66/10; B29C66/11; B29C66/114; B29C66/1142; B29C66/12; B29C66/124; B29C66/1242; B29C66/12421; B29C66/1244; B29C66/12441; B29C66/40; B29C66/41; B29C66/43; B29C66/432; B29C66/434; B29C66/4342; B29C66/43421; B29C66/4344; B29C66/43441; B29C66/4346; B29C66/43461; B29C66/435; B29C66/70; B29C66/73; B29C66/739; B29C66/7392; Y; Y10; Y10S; Y10S29/00; Y10S29/047; Y10S29/048; Y10T; Y10T29/00; Y10T29/49; Y10T29/49616; Y10T29/49623; Y10T29/49629; Y10T29/49826; Y10T29/49838; Y10T428/00; Y10T428/17
Claims Analysis
Total Claims: 0
No claims parsed yet. Click Sync Now above to re-index claims from Google Patents.
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) | 1948-11-05 | 1949-05-07 | 1949-11-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-11-05 | 1953-05-07 | 1953-11-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-11-05 | 1957-05-07 | 1957-11-06 | $7700.00 | Window Closed / Lapsed |