US2189889A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Molded article of synthetic resin
Assignee: Individual
•
Filing: 1936-08-04
•
Granted: 1940-02-13
•
Expires: 1956-08-04
Abstract
No abstract record available.
Inventors
- 👤 Engel Walter
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 18:18
CPC Classifications
A; A01; A01G; A01G9/00; A01G9/02; A01G9/021; Y; Y10; Y10S; Y10S220/00; Y10S220/11
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) | 1943-02-12 | 1943-08-14 | 1944-02-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-02-12 | 1947-08-14 | 1948-02-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-02-12 | 1951-08-14 | 1952-02-13 | $7700.00 | Window Closed / Lapsed |