US2230189A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for forming articles from organic sheet material
Assignee: Plax Corp
•
Filing: 1938-05-19
•
Granted: 1941-01-28
•
Expires: 1958-05-19
Abstract
No abstract record available.
Inventors
- 👤 Enoch T Ferngren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 23:48
CPC Classifications
B; B29; B29C; B29C51/00; B29C51/18; B29C51/20; B29C51/24; B29C43/00; B29C43/02; B29C43/04; B29C43/06; B29C43/08; B29C43/085; B29L; B29L2031/00; B29L2031/56; B29L2031/565
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) | 1944-01-28 | 1944-07-29 | 1945-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1948-01-28 | 1948-07-29 | 1949-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1952-01-28 | 1952-07-29 | 1953-01-28 | $7700.00 | Window Closed / Lapsed |