US2215976A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mixing apparatus and method of mixing
Assignee: Individual
•
Filing: 1938-11-12
•
Granted: 1940-09-24
•
Expires: 1958-11-12
Abstract
No abstract record available.
Inventors
- 👤 Robinson Thomas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 05:15
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/02; B29B7/06; B29B7/10; B29B7/18; B29B7/183; B29B7/186; B29B7/22; B29B7/26; B29B7/263; B29B7/266; B29B7/74; B29B7/7466; B29B7/80; B29B7/82; B29B7/826; B29B7/7476; B29B7/7495; Y; Y10; Y10S; Y10S366/00; Y10S366/605
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) | 1943-09-24 | 1944-03-25 | 1944-09-24 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1947-09-24 | 1948-03-25 | 1948-09-24 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1951-09-24 | 1952-03-25 | 1952-09-24 | $7700.00 | Window Closed / Lapsed |