US2215706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grain sampling device
Assignee: Individual
•
Filing: 1939-02-20
•
Granted: 1940-09-24
•
Expires: 1959-02-20
Abstract
No abstract record available.
Inventors
- 👤 Frederick F Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 17:01
CPC Classifications
G; G01; G01N; G01N1/00; G01N1/02; G01N1/04; G01N33/00; G01N33/0091; G01N1/10; G01N1/18; G01N1/14; G01N2001/1472; G01N2001/1481; G01N1/20; G01N2001/2007; G01N2001/2021; G01N1/2035; G01N2001/2071
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) | 1943-09-24 | 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 |