US1990555A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for mixing and kneading plastic materials
Assignee: Individual
•
Filing: 1929-10-11
•
Granted: 1935-02-12
•
Expires: 1949-10-11
Abstract
No abstract record available.
Inventors
- 👤 Evarts G Loomis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:46
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/34; B29B7/38; B29B7/46; B29B7/48; B29B7/482; B29B7/484; B29B7/488; B29B7/489; B29B7/74; B29B7/7476; B29B7/7495; B29B7/80; B29B7/82; B29B7/826; B29C; B29C48/00; B29C48/25; B29C48/36; B29C48/395; B29C48/40; B29C48/425; B29C48/43; B29C48/435; B29C48/50; B29C48/505; B29C48/67; B29C48/03; B29C48/06; B29C48/09
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) | 1938-02-11 | 1938-08-13 | 1939-02-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1942-02-11 | 1942-08-13 | 1943-02-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1946-02-11 | 1946-08-13 | 1947-02-12 | $7700.00 | Window Closed / Lapsed |