US2389292A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of protein compositions and masses having improved physical characteristics
Assignee: Individual
•
Filing: 1945-02-08
•
Granted: 1945-11-20
•
Expires: 1965-02-08
Abstract
No abstract record available.
Inventors
- 👤 Bjorksten Johan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-22 15:54
CPC Classifications
D; D01; D01F; D01F4/00; B; B29; B29C; B29C67/00; C; C08; C08K; C08K5/00; C08K5/0008; C08K5/0016; B29C2791/00; B29C2791/004; B29C2791/008; Y; Y10; Y10S; Y10S264/00; Y10S264/73
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) | 1948-11-19 | 1949-05-21 | 1949-11-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1952-11-19 | 1953-05-21 | 1953-11-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1956-11-19 | 1957-05-21 | 1957-11-20 | $7700.00 | Window Closed / Lapsed |