US2229613A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of and apparatus for forming articles from plastic sheet material
Assignee: Plax Corp
•
Filing: 1938-11-22
•
Granted: 1941-01-21
•
Expires: 1958-11-22
Abstract
No abstract record available.
Inventors
- 👤 Strauch Clauss Burkart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:27
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/08; B29C51/082; B29C51/26; B29C51/261; B29C51/262; B29C66/00; B29C66/90; B29C66/91; B29C66/914; B29C66/9141; B29C66/91421; B29C66/9161; B29C66/91651; B29C66/91655; B29C2793/00; B29C2793/0045; B29C2793/0081; B29C2793/009; B29C51/30; B29C51/40; B29C66/912; B29C66/9121; B29C66/91231; B29C66/91423; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1007; Y10T156/1052; Y10T156/1084
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) | 1944-01-21 | 1944-07-22 | 1945-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-01-21 | 1948-07-22 | 1949-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-01-21 | 1952-07-22 | 1953-01-21 | $7700.00 | Window Closed / Lapsed |